25632687082 has 16 divisors (see below), whose sum is σ = 38960780040. Its totient is φ = 12646545408.

The previous prime is 25632687079. The next prime is 25632687109. The reversal of 25632687082 is 28078623652.

It can be written as a sum of positive squares in 4 ways, for example, as 24560844961 + 1071842121 = 156719^2 + 32739^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 130657 + ... + 261412.

Almost surely, 2^25632687082 is an apocalyptic number.

25632687082 is a deficient number, since it is larger than the sum of its proper divisors (13328092958).

25632687082 is a wasteful number, since it uses less digits than its factorization.

25632687082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392505.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 25632687082 in words is "twenty-five billion, six hundred thirty-two million, six hundred eighty-seven thousand, eighty-two".