677661048 has 48 divisors (see below), whose sum is σ = 1862738280. Its totient is φ = 222513984.

The previous prime is 677661043. The next prime is 677661059. The reversal of 677661048 is 840166776.

It is a junction number, because it is equal to n+sod(n) for n = 677660994 and 677661012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677661043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65415 + ... + 75062.

Almost surely, 2^677661048 is an apocalyptic number.

It is an amenable number.

677661048 is an abundant number, since it is smaller than the sum of its proper divisors (1185077232).

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

677661048 is a wasteful number, since it uses less digits than its factorization.

677661048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140556 (or 140549 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 677661048 is about 26031.9236323403. The cubic root of 677661048 is about 878.3565435318.

The spelling of 677661048 in words is "six hundred seventy-seven million, six hundred sixty-one thousand, forty-eight".