677384434 has 12 divisors (see below), whose sum is σ = 1018912734. Its totient is φ = 337749344.

The previous prime is 677384413. The next prime is 677384437. The reversal of 677384434 is 434483776.

It can be written as a sum of positive squares in only one way, i.e., 659719225 + 17665209 = 25685^2 + 4203^2 .

It is not an unprimeable number, because it can be changed into a prime (677384437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 435402 + ... + 436954.

Almost surely, 2^677384434 is an apocalyptic number.

677384434 is a deficient number, since it is larger than the sum of its proper divisors (341528300).

677384434 is an equidigital number, since it uses as much as digits as its factorization.

677384434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2022 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 46.

The square root of 677384434 is about 26026.6101134973. The cubic root of 677384434 is about 878.2370153479.

The spelling of 677384434 in words is "six hundred seventy-seven million, three hundred eighty-four thousand, four hundred thirty-four".