677806132 has 6 divisors (see below), whose sum is σ = 1186160738. Its totient is φ = 338903064.

The previous prime is 677806109. The next prime is 677806141. The reversal of 677806132 is 231608776.

It can be written as a sum of positive squares in only one way, i.e., 568059556 + 109746576 = 23834^2 + 10476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84725763 + ... + 84725770.

Almost surely, 2^677806132 is an apocalyptic number.

It is an amenable number.

677806132 is a deficient number, since it is larger than the sum of its proper divisors (508354606).

677806132 is a wasteful number, since it uses less digits than its factorization.

677806132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169451537 (or 169451535 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 677806132 is about 26034.7101385823. The cubic root of 677806132 is about 878.4192230419.

The spelling of 677806132 in words is "six hundred seventy-seven million, eight hundred six thousand, one hundred thirty-two".