868932977 has 4 divisors (see below), whose sum is σ = 947926896. Its totient is φ = 789939060.

The previous prime is 868932959. The next prime is 868932989. The reversal of 868932977 is 779239868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 868932977 - 2²⁴ = 852155761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868932277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39496943 + ... + 39496964.

It is an arithmetic number, because the mean of its divisors is an integer number (236981724).

Almost surely, 2^868932977 is an apocalyptic number.

It is an amenable number.

868932977 is a deficient number, since it is larger than the sum of its proper divisors (78993919).

868932977 is a wasteful number, since it uses less digits than its factorization.

868932977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78993918.

The product of its digits is 9144576, while the sum is 59.

The square root of 868932977 is about 29477.6691242710. The cubic root of 868932977 is about 954.2498342140.

The spelling of 868932977 in words is "eight hundred sixty-eight million, nine hundred thirty-two thousand, nine hundred seventy-seven".