479967899 has 4 divisors (see below), whose sum is σ = 481793136. Its totient is φ = 478142664.

The previous prime is 479967877. The next prime is 479967941. The reversal of 479967899 is 998769974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998769974 = 2 ⋅499384987.

It is a cyclic number.

It is not a de Polignac number, because 479967899 - 2⁸ = 479967643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479967599) 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, 912224 + ... + 912749.

It is an arithmetic number, because the mean of its divisors is an integer number (120448284).

Almost surely, 2^479967899 is an apocalyptic number.

479967899 is a deficient number, since it is larger than the sum of its proper divisors (1825237).

479967899 is a wasteful number, since it uses less digits than its factorization.

479967899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825236.

The product of its digits is 61725888, while the sum is 68.

The square root of 479967899 is about 21908.1696862152. The cubic root of 479967899 is about 782.9560735160.

The spelling of 479967899 in words is "four hundred seventy-nine million, nine hundred sixty-seven thousand, eight hundred ninety-nine".