79423556 has 12 divisors (see below), whose sum is σ = 139925100. Its totient is φ = 39444960.

The previous prime is 79423549. The next prime is 79423559. The reversal of 79423556 is 65532497.

It can be written as a sum of positive squares in 2 ways, for example, as 52070656 + 27352900 = 7216^2 + 5230^2 .

It is not an unprimeable number, because it can be changed into a prime (79423559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66035 + ... + 67226.

It is an arithmetic number, because the mean of its divisors is an integer number (11660425).

Almost surely, 2^79423556 is an apocalyptic number.

It is an amenable number.

79423556 is a deficient number, since it is larger than the sum of its proper divisors (60501544).

79423556 is a wasteful number, since it uses less digits than its factorization.

79423556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133414 (or 133412 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 79423556 is about 8911.9894524175. The cubic root of 79423556 is about 429.8495164791.

The spelling of 79423556 in words is "seventy-nine million, four hundred twenty-three thousand, five hundred fifty-six".