677888140 has 24 divisors (see below), whose sum is σ = 1430320752. Its totient is φ = 269868480.

The previous prime is 677888083. The next prime is 677888143. The reversal of 677888140 is 41888776.

It is not an unprimeable number, because it can be changed into a prime (677888143) 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, 76099 + ... + 84538.

It is an arithmetic number, because the mean of its divisors is an integer number (59596698).

Almost surely, 2^677888140 is an apocalyptic number.

It is an amenable number.

677888140 is an abundant number, since it is smaller than the sum of its proper divisors (752432612).

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

677888140 is a wasteful number, since it uses less digits than its factorization.

677888140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160857 (or 160855 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 677888140 is about 26036.2850652700. The cubic root of 677888140 is about 878.4546483624.

The spelling of 677888140 in words is "six hundred seventy-seven million, eight hundred eighty-eight thousand, one hundred forty".