677655712 has 12 divisors (see below), whose sum is σ = 1334134746. Its totient is φ = 338827840.

The previous prime is 677655679. The next prime is 677655733. The reversal of 677655712 is 217556776.

It can be written as a sum of positive squares in only one way, i.e., 669567376 + 8088336 = 25876^2 + 2844^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10588339 + ... + 10588402.

Almost surely, 2^677655712 is an apocalyptic number.

It is an amenable number.

677655712 is a deficient number, since it is larger than the sum of its proper divisors (656479034).

677655712 is a wasteful number, since it uses less digits than its factorization.

677655712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176751 (or 21176743 counting only the distinct ones).

The product of its digits is 617400, while the sum is 46.

The square root of 677655712 is about 26031.8211425939. The cubic root of 677655712 is about 878.3542380907.

The spelling of 677655712 in words is "six hundred seventy-seven million, six hundred fifty-five thousand, seven hundred twelve".