677688900 has 72 divisors (see below), whose sum is σ = 2240898240. Its totient is φ = 154899840.

The previous prime is 677688871. The next prime is 677688919. The reversal of 677688900 is 9886776.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159255 + ... + 163454.

Almost surely, 2^677688900 is an apocalyptic number.

677688900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

677688900 is an abundant number, since it is smaller than the sum of its proper divisors (1563209340).

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

677688900 is a wasteful number, since it uses less digits than its factorization.

677688900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322733 (or 322726 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 677688900 is about 26032.4585853891. The cubic root of 677688900 is about 878.3685769082.

The spelling of 677688900 in words is "six hundred seventy-seven million, six hundred eighty-eight thousand, nine hundred".