677508828 has 24 divisors (see below), whose sum is σ = 1589996688. Its totient is φ = 224530176.

The previous prime is 677508827. The next prime is 677508847. The reversal of 677508828 is 828805776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677508823) 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, 161101 + ... + 165252.

It is an arithmetic number, because the mean of its divisors is an integer number (66249862).

Almost surely, 2^677508828 is an apocalyptic number.

It is an amenable number.

677508828 is an abundant number, since it is smaller than the sum of its proper divisors (912487860).

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

677508828 is a wasteful number, since it uses less digits than its factorization.

677508828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326533 (or 326531 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The square root of 677508828 is about 26028.9997502785. Note that the first 3 decimals coincide. The cubic root of 677508828 is about 878.2907714934.

The spelling of 677508828 in words is "six hundred seventy-seven million, five hundred eight thousand, eight hundred twenty-eight".