677751984 has 120 divisors (see below), whose sum is σ = 2334524192. Its totient is φ = 178744320.

The previous prime is 677751973. The next prime is 677752001. The reversal of 677751984 is 489157776.

It is a self number, because there is not a number n which added to its sum of digits gives 677751984.

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 23 ways as a sum of consecutive naturals, for example, 12757 + ... + 38964.

Almost surely, 2^677751984 is an apocalyptic number.

It is an amenable number.

677751984 is an abundant number, since it is smaller than the sum of its proper divisors (1656772208).

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

677751984 is a wasteful number, since it uses less digits than its factorization.

677751984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51755 (or 51746 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 677751984 is about 26033.6701984180. The cubic root of 677751984 is about 878.3958309496.

The spelling of 677751984 in words is "six hundred seventy-seven million, seven hundred fifty-one thousand, nine hundred eighty-four".