677447332415464 has 64 divisors (see below), whose sum is σ = 1391966033472000. Its totient is φ = 307184268568320.

The previous prime is 677447332415453. The next prime is 677447332415467. The reversal of 677447332415464 is 464514233744776.

677447332415464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 677447332415464.

It is not an unprimeable number, because it can be changed into a prime (677447332415467) 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, 56707384 + ... + 67606375.

It is an arithmetic number, because the mean of its divisors is an integer number (21749469273000).

Almost surely, 2^{677447332415464} is an apocalyptic number.

It is an amenable number.

677447332415464 is an abundant number, since it is smaller than the sum of its proper divisors (714518701056536).

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

677447332415464 is a wasteful number, since it uses less digits than its factorization.

677447332415464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124314698 (or 124314694 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 67.

The spelling of 677447332415464 in words is "six hundred seventy-seven trillion, four hundred forty-seven billion, three hundred thirty-two million, four hundred fifteen thousand, four hundred sixty-four".