868977 has 6 divisors (see below), whose sum is σ = 1255202. Its totient is φ = 579312.

The previous prime is 868957. The next prime is 868993. The reversal of 868977 is 779868.

It can be written as a sum of positive squares in only one way, i.e., 848241 + 20736 = 921^2 + 144^2 .

It is not a de Polignac number, because 868977 - 2⁷ = 868849 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868977.

It is not an unprimeable number, because it can be changed into a prime (868937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48268 + ... + 48285.

2⁸⁶⁸⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

868977 is a deficient number, since it is larger than the sum of its proper divisors (386225).

868977 is a wasteful number, since it uses less digits than its factorization.

868977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96559 (or 96556 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 868977 is about 932.1893584460. The cubic root of 868977 is about 95.4265949086.

The spelling of 868977 in words is "eight hundred sixty-eight thousand, nine hundred seventy-seven".