479881667 has 4 divisors (see below), whose sum is σ = 479932920. Its totient is φ = 479830416.

The previous prime is 479881657. The next prime is 479881669. The reversal of 479881667 is 766188974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 479881667 - 2¹⁶ = 479816131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479881669) 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, 7133 + ... + 31790.

It is an arithmetic number, because the mean of its divisors is an integer number (119983230).

Almost surely, 2^479881667 is an apocalyptic number.

479881667 is a deficient number, since it is larger than the sum of its proper divisors (51253).

479881667 is a wasteful number, since it uses less digits than its factorization.

479881667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51252.

The product of its digits is 4064256, while the sum is 56.

The square root of 479881667 is about 21906.2015648537. The cubic root of 479881667 is about 782.9091815523.

The spelling of 479881667 in words is "four hundred seventy-nine million, eight hundred eighty-one thousand, six hundred sixty-seven".