677440872 has 48 divisors (see below), whose sum is σ = 1841274240. Its totient is φ = 225008928.

The previous prime is 677440849. The next prime is 677440913. The reversal of 677440872 is 278044776.

It is a super-2 number, since 2×677440872² = 917852270112240768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3753 + ... + 36999.

It is an arithmetic number, because the mean of its divisors is an integer number (38359880).

Almost surely, 2^677440872 is an apocalyptic number.

It is an amenable number.

677440872 is an abundant number, since it is smaller than the sum of its proper divisors (1163833368).

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

677440872 is a wasteful number, since it uses less digits than its factorization.

677440872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33542 (or 33535 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 677440872 is about 26027.6943273890. The cubic root of 677440872 is about 878.2614055177.

The spelling of 677440872 in words is "six hundred seventy-seven million, four hundred forty thousand, eight hundred seventy-two".