879877739 has 16 divisors (see below), whose sum is σ = 973615104. Its totient is φ = 790020000.

The previous prime is 879877727. The next prime is 879877759. The reversal of 879877739 is 937778978.

It is a cyclic number.

It is not a de Polignac number, because 879877739 - 2²⁸ = 611442283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879877709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137174 + ... + 143444.

It is an arithmetic number, because the mean of its divisors is an integer number (60850944).

Almost surely, 2^879877739 is an apocalyptic number.

879877739 is a deficient number, since it is larger than the sum of its proper divisors (93737365).

879877739 is a wasteful number, since it uses less digits than its factorization.

879877739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578.

The product of its digits is 37340352, while the sum is 65.

The square root of 879877739 is about 29662.7331680680. The cubic root of 879877739 is about 958.2395902827.

The spelling of 879877739 in words is "eight hundred seventy-nine million, eight hundred seventy-seven thousand, seven hundred thirty-nine".