6864977 has 4 divisors (see below), whose sum is σ = 7845696. Its totient is φ = 5884260.

The previous prime is 6864973. The next prime is 6864983. The reversal of 6864977 is 7794686.

It is a happy number.

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 6864977 - 2² = 6864973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6864973) 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, 490349 + ... + 490362.

It is an arithmetic number, because the mean of its divisors is an integer number (1961424).

Almost surely, 2^6864977 is an apocalyptic number.

It is an amenable number.

6864977 is a deficient number, since it is larger than the sum of its proper divisors (980719).

6864977 is an equidigital number, since it uses as much as digits as its factorization.

6864977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980718.

The product of its digits is 508032, while the sum is 47.

The square root of 6864977 is about 2620.1101121899. The cubic root of 6864977 is about 190.0551732659.

The spelling of 6864977 in words is "six million, eight hundred sixty-four thousand, nine hundred seventy-seven".