677878313 has 8 divisors (see below), whose sum is σ = 775155840. Its totient is φ = 580710240.

The previous prime is 677878309. The next prime is 677878351. The reversal of 677878313 is 313878776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677878313 - 2² = 677878309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677878613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13628 + ... + 39261.

It is an arithmetic number, because the mean of its divisors is an integer number (96894480).

Almost surely, 2^677878313 is an apocalyptic number.

It is an amenable number.

677878313 is a deficient number, since it is larger than the sum of its proper divisors (97277527).

677878313 is a wasteful number, since it uses less digits than its factorization.

677878313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54727.

The product of its digits is 1185408, while the sum is 50.

The square root of 677878313 is about 26036.0963471869. The cubic root of 677878313 is about 878.4504035050.

The spelling of 677878313 in words is "six hundred seventy-seven million, eight hundred seventy-eight thousand, three hundred thirteen".