677016906840 has 48 divisors (see below), whose sum is σ = 2200304948400. Its totient is φ = 180537841728.

The previous prime is 677016906799. The next prime is 677016906857. The reversal of 677016906840 is 48609610776.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940300900 + ... + 940301619.

It is an arithmetic number, because the mean of its divisors is an integer number (45839686425).

Almost surely, 2^677016906840 is an apocalyptic number.

677016906840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

677016906840 is an abundant number, since it is smaller than the sum of its proper divisors (1523288041560).

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

677016906840 is a wasteful number, since it uses less digits than its factorization.

677016906840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880602536 (or 1880602529 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 677016906840 in words is "six hundred seventy-seven billion, sixteen million, nine hundred six thousand, eight hundred forty".