79779583008 has 72 divisors (see below), whose sum is σ = 232406715996. Its totient is φ = 25944576000.

The previous prime is 79779582997. The next prime is 79779583019. The reversal of 79779583008 is 80038597797.

It is an interprime number because it is at equal distance from previous prime (79779582997) and next prime (79779583019).

It can be written as a sum of positive squares in 2 ways, for example, as 79057693584 + 721889424 = 281172^2 + 26868^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×79779583008³ (a number of 34 digits) contains 333 as substring.

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, 3366393 + ... + 3390008.

Almost surely, 2^79779583008 is an apocalyptic number.

It is an amenable number.

79779583008 is an abundant number, since it is smaller than the sum of its proper divisors (152627132988).

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

79779583008 is a wasteful number, since it uses less digits than its factorization.

79779583008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756458 (or 6756447 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 79779583008 in words is "seventy-nine billion, seven hundred seventy-nine million, five hundred eighty-three thousand, eight".