677516388 has 24 divisors (see below), whose sum is σ = 1583776992. Its totient is φ = 225423744.

The previous prime is 677516369. The next prime is 677516393. The reversal of 677516388 is 883615776.

It is a self number, because there is not a number n which added to its sum of digits gives 677516388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45045 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (65990708).

Almost surely, 2^677516388 is an apocalyptic number.

It is an amenable number.

677516388 is an abundant number, since it is smaller than the sum of its proper divisors (906260604).

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

677516388 is a wasteful number, since it uses less digits than its factorization.

677516388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103771 (or 103769 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 677516388 is about 26029.1449725111. The cubic root of 677516388 is about 878.2940382915.

The spelling of 677516388 in words is "six hundred seventy-seven million, five hundred sixteen thousand, three hundred eighty-eight".