876633620 has 24 divisors (see below), whose sum is σ = 1859913384. Its totient is φ = 347037696.

The previous prime is 876633619. The next prime is 876633689. The reversal of 876633620 is 26336678.

It can be written as a sum of positive squares in 4 ways, for example, as 332624644 + 544008976 = 18238^2 + 23324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223997 + ... + 227876.

It is an arithmetic number, because the mean of its divisors is an integer number (77496391).

Almost surely, 2^876633620 is an apocalyptic number.

It is an amenable number.

876633620 is an abundant number, since it is smaller than the sum of its proper divisors (983279764).

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

876633620 is a wasteful number, since it uses less digits than its factorization.

876633620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451979 (or 451977 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 876633620 is about 29607.9992569576. Note that the first 3 decimals coincide. The cubic root of 876633620 is about 957.0604599321.

The spelling of 876633620 in words is "eight hundred seventy-six million, six hundred thirty-three thousand, six hundred twenty".