25877370996 has 30 divisors (see below), whose sum is σ = 67648560210. Its totient is φ = 8625790224.

The previous prime is 25877370991. The next prime is 25877370997. The reversal of 25877370996 is 69907377852.

25877370996 is a `hidden beast` number, since 258 + 7 + 7 + 370 + 9 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23282487396 + 2594883600 = 152586^2 + 50940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25877370991) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39933891 + ... + 39934538.

It is an arithmetic number, because the mean of its divisors is an integer number (2254952007).

Almost surely, 2^25877370996 is an apocalyptic number.

It is an amenable number.

25877370996 is an abundant number, since it is smaller than the sum of its proper divisors (41771189214).

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

25877370996 is a wasteful number, since it uses less digits than its factorization.

25877370996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79868445 (or 79868434 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 25877370996 in words is "twenty-five billion, eight hundred seventy-seven million, three hundred seventy thousand, nine hundred ninety-six".