876633664 has 21 divisors (see below), whose sum is σ = 1740040081. Its totient is φ = 438198400.

The previous prime is 876633619. The next prime is 876633689. The reversal of 876633664 is 466336678.

It is a happy number.

The square root of 876633664 is 29608.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 353139264 + 523494400 = 18792^2 + 22880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 235014 + ... + 238714.

Almost surely, 2^876633664 is an apocalyptic number.

876633664 is the 29608-th square number.

It is an amenable number.

876633664 is a deficient number, since it is larger than the sum of its proper divisors (863406417).

876633664 is an frugal number, since it uses more digits than its factorization.

876633664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414 (or 3703 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 49.

The cubic root of 876633664 is about 957.0604759444.

Multiplying 876633664 by its sum of digits (49), we get a square (42955049536 = 207256²).

The spelling of 876633664 in words is "eight hundred seventy-six million, six hundred thirty-three thousand, six hundred sixty-four".