677746436 has 6 divisors (see below), whose sum is σ = 1186056270. Its totient is φ = 338873216.

The previous prime is 677746403. The next prime is 677746471. The reversal of 677746436 is 634647776.

It can be written as a sum of positive squares in only one way, i.e., 430313536 + 247432900 = 20744^2 + 15730^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84718301 + ... + 84718308.

It is an arithmetic number, because the mean of its divisors is an integer number (197676045).

Almost surely, 2^677746436 is an apocalyptic number.

It is an amenable number.

677746436 is a deficient number, since it is larger than the sum of its proper divisors (508309834).

677746436 is a wasteful number, since it uses less digits than its factorization.

677746436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169436613 (or 169436611 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 50.

The square root of 677746436 is about 26033.5636438810. The cubic root of 677746436 is about 878.3934341272.

The spelling of 677746436 in words is "six hundred seventy-seven million, seven hundred forty-six thousand, four hundred thirty-six".