79585467508 has 24 divisors (see below), whose sum is σ = 139888886760. Its totient is φ = 39617485440.

The previous prime is 79585467503. The next prime is 79585467527. The reversal of 79585467508 is 80576458597.

It can be written as a sum of positive squares in 4 ways, for example, as 49385283984 + 30200183524 = 222228^2 + 173782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79585467508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79585467503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163358 + ... + 1229866.

It is an arithmetic number, because the mean of its divisors is an integer number (5828703615).

Almost surely, 2^79585467508 is an apocalyptic number.

It is an amenable number.

79585467508 is a deficient number, since it is larger than the sum of its proper divisors (60303419252).

79585467508 is a wasteful number, since it uses less digits than its factorization.

79585467508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67827 (or 67825 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 79585467508 in words is "seventy-nine billion, five hundred eighty-five million, four hundred sixty-seven thousand, five hundred eight".