25676057537 has 16 divisors (see below), whose sum is σ = 28423023552. Its totient is φ = 23040469440.

The previous prime is 25676057501. The next prime is 25676057543. The reversal of 25676057537 is 73575067652.

It is a cyclic number.

It is not a de Polignac number, because 25676057537 - 2²² = 25671863233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25676057557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548462 + ... + 593432.

It is an arithmetic number, because the mean of its divisors is an integer number (1776438972).

Almost surely, 2^25676057537 is an apocalyptic number.

It is an amenable number.

25676057537 is a deficient number, since it is larger than the sum of its proper divisors (2746966015).

25676057537 is a wasteful number, since it uses less digits than its factorization.

25676057537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46208.

The product of its (nonzero) digits is 9261000, while the sum is 53.

The spelling of 25676057537 in words is "twenty-five billion, six hundred seventy-six million, fifty-seven thousand, five hundred thirty-seven".