677733680 has 40 divisors (see below), whose sum is σ = 1696943472. Its totient is φ = 250239744.

The previous prime is 677733677. The next prime is 677733689. The reversal of 677733680 is 86337776.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (677733689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324794 + ... + 326873.

Almost surely, 2^677733680 is an apocalyptic number.

It is an amenable number.

677733680 is an abundant number, since it is smaller than the sum of its proper divisors (1019209792).

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

677733680 is a wasteful number, since it uses less digits than its factorization.

677733680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651693 (or 651687 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 47.

The square root of 677733680 is about 26033.3186512976. The cubic root of 677733680 is about 878.3879232870.

The spelling of 677733680 in words is "six hundred seventy-seven million, seven hundred thirty-three thousand, six hundred eighty".