63876764 has 12 divisors (see below), whose sum is σ = 127753584. Its totient is φ = 27375744.

The previous prime is 63876751. The next prime is 63876781. The reversal of 63876764 is 46767836.

63876764 is an admirable number.

It is a super-2 number, since 2×63876764² = 8160481958223392, which contains 22 as substring.

It is a congruent number.

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, 1140629 + ... + 1140684.

It is an arithmetic number, because the mean of its divisors is an integer number (10646132).

Almost surely, 2^63876764 is an apocalyptic number.

It is an amenable number.

63876764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63876764 is a wasteful number, since it uses less digits than its factorization.

63876764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281324 (or 2281322 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 63876764 is about 7992.2940386350. The cubic root of 63876764 is about 399.7430933661.

The spelling of 63876764 in words is "sixty-three million, eight hundred seventy-six thousand, seven hundred sixty-four".