677451615132 has 24 divisors (see below), whose sum is σ = 1617481376896. Its totient is φ = 220565641968.

The previous prime is 677451615091. The next prime is 677451615209. The reversal of 677451615132 is 231516154776.

It is a congruent number.

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, 656444848 + ... + 656445879.

Almost surely, 2^677451615132 is an apocalyptic number.

It is an amenable number.

677451615132 is an abundant number, since it is smaller than the sum of its proper divisors (940029761764).

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

677451615132 is a wasteful number, since it uses less digits than its factorization.

677451615132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312890777 (or 1312890775 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The spelling of 677451615132 in words is "six hundred seventy-seven billion, four hundred fifty-one million, six hundred fifteen thousand, one hundred thirty-two".