679432646234976 has 96 divisors (see below), whose sum is σ = 1812752340392448. Its totient is φ = 222793447449600.

The previous prime is 679432646234897. The next prime is 679432646234977.

It is a happy number.

679432646234976 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679432646234977) 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, 226032901 + ... + 229019076.

It is an arithmetic number, because the mean of its divisors is an integer number (18882836879088).

Almost surely, 2^{679432646234976} is an apocalyptic number.

It is an amenable number.

679432646234976 is an abundant number, since it is smaller than the sum of its proper divisors (1133319694157472).

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

679432646234976 is a wasteful number, since it uses less digits than its factorization.

679432646234976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455052244 (or 455052236 counting only the distinct ones).

The product of its digits is 11851370496, while the sum is 78.

The spelling of 679432646234976 in words is "six hundred seventy-nine trillion, four hundred thirty-two billion, six hundred forty-six million, two hundred thirty-four thousand, nine hundred seventy-six".