677138715 has 48 divisors (see below), whose sum is σ = 1298509056. Its totient is φ = 323668800.

The previous prime is 677138689. The next prime is 677138723. The reversal of 677138715 is 517831776.

It is not a de Polignac number, because 677138715 - 2⁸ = 677138459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 25512 + ... + 44778.

It is an arithmetic number, because the mean of its divisors is an integer number (27052272).

Almost surely, 2^677138715 is an apocalyptic number.

677138715 is a deficient number, since it is larger than the sum of its proper divisors (621370341).

677138715 is a wasteful number, since it uses less digits than its factorization.

677138715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19360 (or 19357 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 677138715 is about 26021.8891512511. The cubic root of 677138715 is about 878.1308099648.

The spelling of 677138715 in words is "six hundred seventy-seven million, one hundred thirty-eight thousand, seven hundred fifteen".