677731689480 has 64 divisors (see below), whose sum is σ = 2140205342400. Its totient is φ = 171216426240.

The previous prime is 677731689431. The next prime is 677731689533. The reversal of 677731689480 is 84986137776.

677731689480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148623091 + ... + 148627650.

It is an arithmetic number, because the mean of its divisors is an integer number (33440708475).

Almost surely, 2^677731689480 is an apocalyptic number.

677731689480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

677731689480 is an abundant number, since it is smaller than the sum of its proper divisors (1462473652920).

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

677731689480 is a wasteful number, since it uses less digits than its factorization.

677731689480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297250774 (or 297250770 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 66.

The spelling of 677731689480 in words is "six hundred seventy-seven billion, seven hundred thirty-one million, six hundred eighty-nine thousand, four hundred eighty".