479577322667 has 4 divisors (see below), whose sum is σ = 479616398016. Its totient is φ = 479538247320.

The previous prime is 479577322621. The next prime is 479577322691. The reversal of 479577322667 is 766223775974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479577322667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479577322067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19519259 + ... + 19543812.

It is an arithmetic number, because the mean of its divisors is an integer number (119904099504).

Almost surely, 2^479577322667 is an apocalyptic number.

479577322667 is a deficient number, since it is larger than the sum of its proper divisors (39075349).

479577322667 is a wasteful number, since it uses less digits than its factorization.

479577322667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39075348.

The product of its digits is 186701760, while the sum is 65.

The spelling of 479577322667 in words is "four hundred seventy-nine billion, five hundred seventy-seven million, three hundred twenty-two thousand, six hundred sixty-seven".