1478836856 has 48 divisors (see below), whose sum is σ = 3233377440. Its totient is φ = 632244480.

The previous prime is 1478836781. The next prime is 1478836867. The reversal of 1478836856 is 6586388741.

It is a super-3 number, since 3×1478836856³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164576 + ... + 173328.

It is an arithmetic number, because the mean of its divisors is an integer number (67362030).

Almost surely, 2^1478836856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478836856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616688720).

1478836856 is an abundant number, since it is smaller than the sum of its proper divisors (1754540584).

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

1478836856 is a wasteful number, since it uses less digits than its factorization.

1478836856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204 (or 9193 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 1478836856 is about 38455.6479076871. The cubic root of 1478836856 is about 1139.3052235181.

The spelling of 1478836856 in words is "one billion, four hundred seventy-eight million, eight hundred thirty-six thousand, eight hundred fifty-six".