676389464805 has 16 divisors (see below), whose sum is σ = 1082238004800. Its totient is φ = 360736094208.

The previous prime is 676389464801. The next prime is 676389464819. The reversal of 676389464805 is 508464983676.

It is not a de Polignac number, because 676389464805 - 2² = 676389464801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676389464801) 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, 997029 + ... + 1531941.

It is an arithmetic number, because the mean of its divisors is an integer number (67639875300).

Almost surely, 2^676389464805 is an apocalyptic number.

It is an amenable number.

676389464805 is a deficient number, since it is larger than the sum of its proper divisors (405848539995).

676389464805 is a wasteful number, since it uses less digits than its factorization.

676389464805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619220.

The product of its (nonzero) digits is 209018880, while the sum is 66.

The spelling of 676389464805 in words is "six hundred seventy-six billion, three hundred eighty-nine million, four hundred sixty-four thousand, eight hundred five".