677934687 has 32 divisors (see below), whose sum is σ = 1011985920. Its totient is φ = 401172480.

The previous prime is 677934667. The next prime is 677934701. The reversal of 677934687 is 786439776.

It is not a de Polignac number, because 677934687 - 2⁶ = 677934623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677934617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232078 + ... + 234980.

It is an arithmetic number, because the mean of its divisors is an integer number (31624560).

Almost surely, 2^677934687 is an apocalyptic number.

677934687 is a deficient number, since it is larger than the sum of its proper divisors (334051233).

677934687 is a wasteful number, since it uses less digits than its factorization.

677934687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its digits is 10668672, while the sum is 57.

The square root of 677934687 is about 26037.1789370508. The cubic root of 677934687 is about 878.4747541834.

The spelling of 677934687 in words is "six hundred seventy-seven million, nine hundred thirty-four thousand, six hundred eighty-seven".