479206979 has 4 divisors (see below), whose sum is σ = 479515920. Its totient is φ = 478898040.

The previous prime is 479206963. The next prime is 479206993. The reversal of 479206979 is 979602974.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 479206979 - 2⁴ = 479206963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479206979.

It is not an unprimeable number, because it can be changed into a prime (479206939) 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, 152132 + ... + 155249.

It is an arithmetic number, because the mean of its divisors is an integer number (119878980).

Almost surely, 2^479206979 is an apocalyptic number.

479206979 is a deficient number, since it is larger than the sum of its proper divisors (308941).

479206979 is a wasteful number, since it uses less digits than its factorization.

479206979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308940.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 479206979 is about 21890.7966734882. The cubic root of 479206979 is about 782.5420999645.

The spelling of 479206979 in words is "four hundred seventy-nine million, two hundred six thousand, nine hundred seventy-nine".