632977872 has 20 divisors (see below), whose sum is σ = 1635192960. Its totient is φ = 210992608.

The previous prime is 632977861. The next prime is 632977883. The reversal of 632977872 is 278779236.

It is an interprime number because it is at equal distance from previous prime (632977861) and next prime (632977883).

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, 6593472 + ... + 6593567.

It is an arithmetic number, because the mean of its divisors is an integer number (81759648).

Almost surely, 2^632977872 is an apocalyptic number.

It is an amenable number.

632977872 is an abundant number, since it is smaller than the sum of its proper divisors (1002215088).

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

632977872 is a wasteful number, since it uses less digits than its factorization.

632977872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13187050 (or 13187044 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The square root of 632977872 is about 25159.0514924550. The cubic root of 632977872 is about 858.6104620418.

The spelling of 632977872 in words is "six hundred thirty-two million, nine hundred seventy-seven thousand, eight hundred seventy-two".