79859522 has 18 divisors (see below), whose sum is σ = 122880729. Its totient is φ = 38925040.

The previous prime is 79859501. The next prime is 79859539. The reversal of 79859522 is 22595897.

It can be written as a sum of positive squares in 2 ways, for example, as 71385601 + 8473921 = 8449^2 + 2911^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6319.

It is a Duffinian number.

Its product of digits (453600) is a multiple of the sum of its prime divisors (162).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 897254 + ... + 897342.

Almost surely, 2^79859522 is an apocalyptic number.

79859522 is a deficient number, since it is larger than the sum of its proper divisors (43021207).

79859522 is an frugal number, since it uses more digits than its factorization.

79859522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 162 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 79859522 is about 8936.4155006356. The cubic root of 79859522 is about 430.6345813410.

The spelling of 79859522 in words is "seventy-nine million, eight hundred fifty-nine thousand, five hundred twenty-two".