677330891272 has 64 divisors (see below), whose sum is σ = 1460691636480. Its totient is φ = 288433036032.

The previous prime is 677330891269. The next prime is 677330891291. The reversal of 677330891272 is 272198033776.

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, 16769133 + ... + 16809475.

It is an arithmetic number, because the mean of its divisors is an integer number (22823306820).

Almost surely, 2^677330891272 is an apocalyptic number.

It is an amenable number.

677330891272 is an abundant number, since it is smaller than the sum of its proper divisors (783360745208).

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

677330891272 is a wasteful number, since it uses less digits than its factorization.

677330891272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42262 (or 42258 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 677330891272 in words is "six hundred seventy-seven billion, three hundred thirty million, eight hundred ninety-one thousand, two hundred seventy-two".