1477128312 has 120 divisors (see below), whose sum is σ = 4547881800. Its totient is φ = 447590880.

The previous prime is 1477128299. The next prime is 1477128313. The reversal of 1477128312 is 2138217741.

It is a super-2 number, since 2×1477128312² = 4363816100223938688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1477128313) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 68989 + ... + 87827.

It is an arithmetic number, because the mean of its divisors is an integer number (37899015).

Almost surely, 2^1477128312 is an apocalyptic number.

1477128312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1477128312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2273940900).

1477128312 is an abundant number, since it is smaller than the sum of its proper divisors (3070753488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1477128312 is a wasteful number, since it uses less digits than its factorization.

1477128312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879 (or 18855 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 1477128312 is about 38433.4270134736. The cubic root of 1477128312 is about 1138.8662967552.

The spelling of 1477128312 in words is "one billion, four hundred seventy-seven million, one hundred twenty-eight thousand, three hundred twelve".