677061632 has 88 divisors (see below), whose sum is σ = 1470843192. Its totient is φ = 309657600.

The previous prime is 677061611. The next prime is 677061683. The reversal of 677061632 is 236160776.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 675168256 = 1376^2 + 25984^2 .

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, 2409332 + ... + 2409612.

Almost surely, 2^677061632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677061632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735421596).

677061632 is an abundant number, since it is smaller than the sum of its proper divisors (793781560).

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

677061632 is a wasteful number, since it uses less digits than its factorization.

677061632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 677061632 is about 26020.4079906523. The cubic root of 677061632 is about 878.0974876315.

The spelling of 677061632 in words is "six hundred seventy-seven million, sixty-one thousand, six hundred thirty-two".