677920031 has 16 divisors (see below), whose sum is σ = 710046720. Its totient is φ = 646652160.

The previous prime is 677919989. The next prime is 677920039. The reversal of 677920031 is 130029776.

677920031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 677920031 - 2²² = 673725727 is a prime.

It is a super-2 number, since 2×677920031² = 919151136862081922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677919973 and 677920000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677920039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417401 + ... + 419021.

It is an arithmetic number, because the mean of its divisors is an integer number (44377920).

Almost surely, 2^677920031 is an apocalyptic number.

677920031 is a deficient number, since it is larger than the sum of its proper divisors (32126689).

677920031 is a wasteful number, since it uses less digits than its factorization.

677920031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 677920031 is about 26036.8974918288. The cubic root of 677920031 is about 878.4684236725.

The spelling of 677920031 in words is "six hundred seventy-seven million, nine hundred twenty thousand, thirty-one".