25929372676 has 9 divisors (see below), whose sum is σ = 45376965781. Its totient is φ = 12964525312.

The previous prime is 25929372673. The next prime is 25929372701. The reversal of 25929372676 is 67627392952.

The square root of 25929372676 is 161026.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 144720900 + 25784651776 = 12030^2 + 160576^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25929372676.

It is not an unprimeable number, because it can be changed into a prime (25929372673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 281796 + ... + 362308.

Almost surely, 2^25929372676 is an apocalyptic number.

25929372676 is the 161026-th square number.

It is an amenable number.

25929372676 is a deficient number, since it is larger than the sum of its proper divisors (19447593105).

25929372676 is an frugal number, since it uses more digits than its factorization.

25929372676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161030 (or 80515 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 58.

The spelling of 25929372676 in words is "twenty-five billion, nine hundred twenty-nine million, three hundred seventy-two thousand, six hundred seventy-six".