677125530 has 48 divisors (see below), whose sum is σ = 1808117064. Its totient is φ = 175685760.

The previous prime is 677125499. The next prime is 677125531. The reversal of 677125530 is 35521776.

It can be written as a sum of positive squares in 4 ways, for example, as 671379921 + 5745609 = 25911^2 + 2397^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (677125531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98341 + ... + 105000.

Almost surely, 2^677125530 is an apocalyptic number.

677125530 is an abundant number, since it is smaller than the sum of its proper divisors (1130991534).

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

677125530 is a wasteful number, since it uses less digits than its factorization.

677125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203391 (or 203388 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 677125530 is about 26021.6358056138. The cubic root of 677125530 is about 878.1251103794.

The spelling of 677125530 in words is "six hundred seventy-seven million, one hundred twenty-five thousand, five hundred thirty".