879877738 has 16 divisors (see below), whose sum is σ = 1421141760. Its totient is φ = 407041216.

The previous prime is 879877727. The next prime is 879877759. The reversal of 879877738 is 837778978.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 879877738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217306 + ... + 221317.

It is an arithmetic number, because the mean of its divisors is an integer number (88821360).

Almost surely, 2^879877738 is an apocalyptic number.

879877738 is a deficient number, since it is larger than the sum of its proper divisors (541264022).

879877738 is a wasteful number, since it uses less digits than its factorization.

879877738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438701.

The product of its digits is 33191424, while the sum is 64.

The square root of 879877738 is about 29662.7331512118. The cubic root of 879877738 is about 958.2395899197.

The spelling of 879877738 in words is "eight hundred seventy-nine million, eight hundred seventy-seven thousand, seven hundred thirty-eight".