879397136 has 10 divisors (see below), whose sum is σ = 1703831982. Its totient is φ = 439698560.

The previous prime is 879397133. The next prime is 879397153. The reversal of 879397136 is 631793978.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 588353536 + 291043600 = 24256^2 + 17060^2 .

It is not an unprimeable number, because it can be changed into a prime (879397133) by changing a digit.

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 as a sum of consecutive naturals, namely, 27481145 + ... + 27481176.

Almost surely, 2^879397136 is an apocalyptic number.

It is an amenable number.

879397136 is a deficient number, since it is larger than the sum of its proper divisors (824434846).

879397136 is a wasteful number, since it uses less digits than its factorization.

879397136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54962329 (or 54962323 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The square root of 879397136 is about 29654.6309368368. The cubic root of 879397136 is about 958.0650900171.

The spelling of 879397136 in words is "eight hundred seventy-nine million, three hundred ninety-seven thousand, one hundred thirty-six".