479278867 has 4 divisors (see below), whose sum is σ = 479323656. Its totient is φ = 479234080.

The previous prime is 479278861. The next prime is 479278873. The reversal of 479278867 is 768872974.

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 an interprime number because it is at equal distance from previous prime (479278861) and next prime (479278873).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479278867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479278861) 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, 4128 + ... + 31234.

It is an arithmetic number, because the mean of its divisors is an integer number (119830914).

Almost surely, 2^479278867 is an apocalyptic number.

479278867 is a deficient number, since it is larger than the sum of its proper divisors (44789).

479278867 is a wasteful number, since it uses less digits than its factorization.

479278867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44788.

The product of its digits is 9483264, while the sum is 58.

The square root of 479278867 is about 21892.4385804780. The cubic root of 479278867 is about 782.5812288978.

The spelling of 479278867 in words is "four hundred seventy-nine million, two hundred seventy-eight thousand, eight hundred sixty-seven".