25906130776 has 16 divisors (see below), whose sum is σ = 50685908400. Its totient is φ = 12389888544.

The previous prime is 25906130771. The next prime is 25906130777. The reversal of 25906130776 is 67703160952.

It is a super-2 number, since 2×25906130776² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25906130771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70396911 + ... + 70397278.

It is an arithmetic number, because the mean of its divisors is an integer number (3167869275).

Almost surely, 2^25906130776 is an apocalyptic number.

It is an amenable number.

25906130776 is a deficient number, since it is larger than the sum of its proper divisors (24779777624).

25906130776 is a wasteful number, since it uses less digits than its factorization.

25906130776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140794218 (or 140794214 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 25906130776 in words is "twenty-five billion, nine hundred six million, one hundred thirty thousand, seven hundred seventy-six".