677678764 has 24 divisors (see below), whose sum is σ = 1361041920. Its totient is φ = 289215696.

The previous prime is 677678713. The next prime is 677678797. The reversal of 677678764 is 467876776.

It is a junction number, because it is equal to n+sod(n) for n = 677678699 and 677678708.

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 7 ways as a sum of consecutive naturals, for example, 43942 + ... + 57325.

It is an arithmetic number, because the mean of its divisors is an integer number (56710080).

Almost surely, 2^677678764 is an apocalyptic number.

It is an amenable number.

677678764 is an abundant number, since it is smaller than the sum of its proper divisors (683363156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677678764 is a wasteful number, since it uses less digits than its factorization.

677678764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101517 (or 101515 counting only the distinct ones).

The product of its digits is 16595712, while the sum is 58.

The square root of 677678764 is about 26032.2639046242. The cubic root of 677678764 is about 878.3641977167.

The spelling of 677678764 in words is "six hundred seventy-seven million, six hundred seventy-eight thousand, seven hundred sixty-four".