879777877 has 16 divisors (see below), whose sum is σ = 989138304. Its totient is φ = 775552000.

The previous prime is 879777859. The next prime is 879777883. The reversal of 879777877 is 778777978.

It is a cyclic number.

It is not a de Polignac number, because 879777877 - 2¹⁵ = 879745109 is a prime.

It is a super-2 number, since 2×879777877² = 1548018225717254258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879777817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69477 + ... + 81157.

It is an arithmetic number, because the mean of its divisors is an integer number (61821144).

Almost surely, 2^879777877 is an apocalyptic number.

It is an amenable number.

879777877 is a deficient number, since it is larger than the sum of its proper divisors (109360427).

879777877 is a wasteful number, since it uses less digits than its factorization.

879777877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11900.

The product of its digits is 67765824, while the sum is 67.

The square root of 879777877 is about 29661.0498297009. The cubic root of 879777877 is about 958.2033370102.

The spelling of 879777877 in words is "eight hundred seventy-nine million, seven hundred seventy-seven thousand, eight hundred seventy-seven".