677391168 has 56 divisors (see below), whose sum is σ = 1850095360. Its totient is φ = 218511360.

The previous prime is 677391161. The next prime is 677391229. The reversal of 677391168 is 861193776.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677391161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50953 + ... + 62856.

Almost surely, 2^677391168 is an apocalyptic number.

It is an amenable number.

677391168 is an abundant number, since it is smaller than the sum of its proper divisors (1172704192).

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

677391168 is a wasteful number, since it uses less digits than its factorization.

677391168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113855 (or 113845 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 677391168 is about 26026.7394807725. The cubic root of 677391168 is about 878.2399255754.

The spelling of 677391168 in words is "six hundred seventy-seven million, three hundred ninety-one thousand, one hundred sixty-eight".