25876830964 has 12 divisors (see below), whose sum is σ = 46845987300. Its totient is φ = 12492263168.

The previous prime is 25876830943. The next prime is 25876830983. The reversal of 25876830964 is 46903867852.

It can be written as a sum of positive squares in 2 ways, for example, as 22128942564 + 3747888400 = 148758^2 + 61220^2 .

It is a super-2 number, since 2×25876830964² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 25876830899 and 25876830908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111537949 + ... + 111538180.

It is an arithmetic number, because the mean of its divisors is an integer number (3903832275).

Almost surely, 2^25876830964 is an apocalyptic number.

It is an amenable number.

25876830964 is a deficient number, since it is larger than the sum of its proper divisors (20969156336).

25876830964 is a wasteful number, since it uses less digits than its factorization.

25876830964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223076162 (or 223076160 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 25876830964 in words is "twenty-five billion, eight hundred seventy-six million, eight hundred thirty thousand, nine hundred sixty-four".