879520025977 has 16 divisors (see below), whose sum is σ = 941673600000. Its totient is φ = 819053660304.

The previous prime is 879520025957. The next prime is 879520026001. The reversal of 879520025977 is 779520025978.

It is a cyclic number.

It is not a de Polignac number, because 879520025977 - 2⁷ = 879520025849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879520025957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087477 + ... + 1715122.

It is an arithmetic number, because the mean of its divisors is an integer number (58854600000).

Almost surely, 2^879520025977 is an apocalyptic number.

It is an amenable number.

879520025977 is a deficient number, since it is larger than the sum of its proper divisors (62153574023).

879520025977 is a wasteful number, since it uses less digits than its factorization.

879520025977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802900.

The product of its (nonzero) digits is 22226400, while the sum is 61.

Subtracting from 879520025977 its reverse (779520025978), we obtain a palindrome (99999999999).

The spelling of 879520025977 in words is "eight hundred seventy-nine billion, five hundred twenty million, twenty-five thousand, nine hundred seventy-seven".