79835813570 has 16 divisors (see below), whose sum is σ = 144172562688. Its totient is φ = 31830303600.

The previous prime is 79835813539. The next prime is 79835813591. The reversal of 79835813570 is 7531853897.

It is a happy number.

It is a super-2 number, since 2×79835813570² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12999506 + ... + 13005645.

It is an arithmetic number, because the mean of its divisors is an integer number (9010785168).

Almost surely, 2^79835813570 is an apocalyptic number.

79835813570 is a deficient number, since it is larger than the sum of its proper divisors (64336749118).

79835813570 is a wasteful number, since it uses less digits than its factorization.

79835813570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005465.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 79835813570 in words is "seventy-nine billion, eight hundred thirty-five million, eight hundred thirteen thousand, five hundred seventy".