677055888 has 40 divisors (see below), whose sum is σ = 1943402400. Its totient is φ = 225685152.

The previous prime is 677055887. The next prime is 677055893. The reversal of 677055888 is 888550776.

It is a happy number.

677055888 is a `hidden beast` number, since 6 + 7 + 7 + 0 + 558 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (677055881) 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, 783198 + ... + 784061.

It is an arithmetic number, because the mean of its divisors is an integer number (48585060).

Almost surely, 2^677055888 is an apocalyptic number.

It is an amenable number.

677055888 is an abundant number, since it is smaller than the sum of its proper divisors (1266346512).

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

677055888 is a wasteful number, since it uses less digits than its factorization.

677055888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567276 (or 1567264 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The square root of 677055888 is about 26020.2976155155. The cubic root of 677055888 is about 878.0950044473.

The spelling of 677055888 in words is "six hundred seventy-seven million, fifty-five thousand, eight hundred eighty-eight".