79520795649 has 48 divisors (see below), whose sum is σ = 118055159040. Its totient is φ = 51563381760.

The previous prime is 79520795639. The next prime is 79520795657. The reversal of 79520795649 is 94659702597.

It is not a de Polignac number, because 79520795649 - 2⁴ = 79520795633 is a prime.

It is a super-3 number, since 3×79520795649³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79520795639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29770584 + ... + 29773254.

It is an arithmetic number, because the mean of its divisors is an integer number (2459482480).

Almost surely, 2^79520795649 is an apocalyptic number.

It is an amenable number.

79520795649 is a deficient number, since it is larger than the sum of its proper divisors (38534363391).

79520795649 is a wasteful number, since it uses less digits than its factorization.

79520795649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 79520795649 in words is "seventy-nine billion, five hundred twenty million, seven hundred ninety-five thousand, six hundred forty-nine".