677198304 has 72 divisors (see below), whose sum is σ = 2027156040. Its totient is φ = 213850368.

The previous prime is 677198303. The next prime is 677198311. The reversal of 677198304 is 403891776.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 677198304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677198303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56407 + ... + 67350.

It is an arithmetic number, because the mean of its divisors is an integer number (28154945).

Almost surely, 2^677198304 is an apocalyptic number.

It is an amenable number.

677198304 is an abundant number, since it is smaller than the sum of its proper divisors (1349957736).

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

677198304 is a wasteful number, since it uses less digits than its factorization.

677198304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123792 (or 123781 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 677198304 is about 26023.0341044237. The cubic root of 677198304 is about 878.1565680558.

The spelling of 677198304 in words is "six hundred seventy-seven million, one hundred ninety-eight thousand, three hundred four".