677404434 has 16 divisors (see below), whose sum is σ = 1548353088. Its totient is φ = 193544112.

The previous prime is 677404421. The next prime is 677404459. The reversal of 677404434 is 434404776.

It is a junction number, because it is equal to n+sod(n) for n = 677404392 and 677404401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8064297 + ... + 8064380.

It is an arithmetic number, because the mean of its divisors is an integer number (96772068).

Almost surely, 2^677404434 is an apocalyptic number.

677404434 is an abundant number, since it is smaller than the sum of its proper divisors (870948654).

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

677404434 is a wasteful number, since it uses less digits than its factorization.

677404434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16128689.

The product of its (nonzero) digits is 225792, while the sum is 39.

The square root of 677404434 is about 26026.9943328076. The cubic root of 677404434 is about 878.2456586759.

The spelling of 677404434 in words is "six hundred seventy-seven million, four hundred four thousand, four hundred thirty-four".