23277864 has 16 divisors (see below), whose sum is σ = 58194720. Its totient is φ = 7759280.

The previous prime is 23277853. The next prime is 23277871. The reversal of 23277864 is 46877232.

It is a super-4 number, since 4×23277864⁴ (a number of 31 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484932 + ... + 484979.

It is an arithmetic number, because the mean of its divisors is an integer number (3637170).

Almost surely, 2^23277864 is an apocalyptic number.

23277864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23277864 is an abundant number, since it is smaller than the sum of its proper divisors (34916856).

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

23277864 is a wasteful number, since it uses less digits than its factorization.

23277864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969920 (or 969916 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 23277864 is about 4824.7138775268. The cubic root of 23277864 is about 285.5273461905.

The spelling of 23277864 in words is "twenty-three million, two hundred seventy-seven thousand, eight hundred sixty-four".