1167047280 has 480 divisors, whose sum is σ = 4851010944. Its totient is φ = 245366784.

The previous prime is 1167047251. The next prime is 1167047293. The reversal of 1167047280 is 827407611.

1167047280 is a `hidden beast` number, since 116 + 70 + 472 + 8 + 0 = 666.

1167047280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4540912 + ... + 4541168.

Almost surely, 2^1167047280 is an apocalyptic number.

1167047280 is a gapful number since it is divisible by the number (10) 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 1167047280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2425505472).

1167047280 is an abundant number, since it is smaller than the sum of its proper divisors (3683963664).

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

1167047280 is a wasteful number, since it uses less digits than its factorization.

1167047280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 344 counting only the distinct ones).

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

The square root of 1167047280 is about 34162.0737075488. The cubic root of 1167047280 is about 1052.8410676709.

The spelling of 1167047280 in words is "one billion, one hundred sixty-seven million, forty-seven thousand, two hundred eighty".