479902947 has 16 divisors (see below), whose sum is σ = 655057920. Its totient is φ = 312374592.

The previous prime is 479902897. The next prime is 479903003. The reversal of 479902947 is 749209974.

It is not a de Polignac number, because 479902947 - 2¹⁵ = 479870179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479902947.

It is not an unprimeable number, because it can be changed into a prime (479902147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58023 + ... + 65775.

It is an arithmetic number, because the mean of its divisors is an integer number (40941120).

Almost surely, 2^479902947 is an apocalyptic number.

479902947 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

479902947 is a deficient number, since it is larger than the sum of its proper divisors (175154973).

479902947 is a wasteful number, since it uses less digits than its factorization.

479902947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 479902947 is about 21906.6872666773. The cubic root of 479902947 is about 782.9207538921.

The spelling of 479902947 in words is "four hundred seventy-nine million, nine hundred two thousand, nine hundred forty-seven".