25776264 has 32 divisors (see below), whose sum is σ = 65941920. Its totient is φ = 8391936.

The previous prime is 25776263. The next prime is 25776277. The reversal of 25776264 is 46267752.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25776263) 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, 11457 + ... + 13520.

It is an arithmetic number, because the mean of its divisors is an integer number (2060685).

Almost surely, 2^25776264 is an apocalyptic number.

25776264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25776264 is an abundant number, since it is smaller than the sum of its proper divisors (40165656).

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

25776264 is a wasteful number, since it uses less digits than its factorization.

25776264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029 (or 25025 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 25776264 is about 5077.0329918172. The cubic root of 25776264 is about 295.3973922341.

The spelling of 25776264 in words is "twenty-five million, seven hundred seventy-six thousand, two hundred sixty-four".