25770634674 has 16 divisors (see below), whose sum is σ = 51542910912. Its totient is φ = 8589937968.

The previous prime is 25770634633. The next prime is 25770634693. The reversal of 25770634674 is 47643607752.

It is a super-4 number, since 4×25770634674⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248952 + ... + 336924.

It is an arithmetic number, because the mean of its divisors is an integer number (3221431932).

Almost surely, 2^25770634674 is an apocalyptic number.

25770634674 is an abundant number, since it is smaller than the sum of its proper divisors (25772276238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25770634674 is a wasteful number, since it uses less digits than its factorization.

25770634674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136801.

The product of its (nonzero) digits is 5927040, while the sum is 51.

The spelling of 25770634674 in words is "twenty-five billion, seven hundred seventy million, six hundred thirty-four thousand, six hundred seventy-four".