79556428 has 12 divisors (see below), whose sum is σ = 159112912. Its totient is φ = 34095600.

The previous prime is 79556417. The next prime is 79556429. The reversal of 79556428 is 82465597.

79556428 is an admirable number.

It is a super-2 number, since 2×79556428² = 12658450472238368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79556429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420623 + ... + 1420678.

Almost surely, 2^79556428 is an apocalyptic number.

It is an amenable number.

79556428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

79556428 is a wasteful number, since it uses less digits than its factorization.

79556428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841312 (or 2841310 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 79556428 is about 8919.4410138753. The cubic root of 79556428 is about 430.0890891666.

The spelling of 79556428 in words is "seventy-nine million, five hundred fifty-six thousand, four hundred twenty-eight".