677802988 has 12 divisors (see below), whose sum is σ = 1255929192. Its totient is φ = 318966080.

The previous prime is 677802973. The next prime is 677802989. The reversal of 677802988 is 889208776.

It is not an unprimeable number, because it can be changed into a prime (677802989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4983778 + ... + 4983913.

It is an arithmetic number, because the mean of its divisors is an integer number (104660766).

Almost surely, 2^677802988 is an apocalyptic number.

677802988 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

677802988 is a deficient number, since it is larger than the sum of its proper divisors (578126204).

677802988 is a wasteful number, since it uses less digits than its factorization.

677802988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967712 (or 9967710 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The square root of 677802988 is about 26034.6497575827. The cubic root of 677802988 is about 878.4178648589.

The spelling of 677802988 in words is "six hundred seventy-seven million, eight hundred two thousand, nine hundred eighty-eight".