25275665964 has 24 divisors (see below), whose sum is σ = 58982919408. Its totient is φ = 8424312640.

The previous prime is 25275665963. The next prime is 25275666001. The reversal of 25275665964 is 46956657252.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25275665963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7294 + ... + 224954.

It is an arithmetic number, because the mean of its divisors is an integer number (2457621642).

Almost surely, 2^25275665964 is an apocalyptic number.

It is an amenable number.

25275665964 is an abundant number, since it is smaller than the sum of its proper divisors (33707253444).

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

25275665964 is a wasteful number, since it uses less digits than its factorization.

25275665964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227345 (or 227343 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 57.

The spelling of 25275665964 in words is "twenty-five billion, two hundred seventy-five million, six hundred sixty-five thousand, nine hundred sixty-four".