479891615 has 16 divisors (see below), whose sum is σ = 659813952. Its totient is φ = 328230144.

The previous prime is 479891597. The next prime is 479891639. The reversal of 479891615 is 516198974.

It is a cyclic number.

It is not a de Polignac number, because 479891615 - 2⁶ = 479891551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3374 + ... + 31163.

It is an arithmetic number, because the mean of its divisors is an integer number (41238372).

Almost surely, 2^479891615 is an apocalyptic number.

479891615 is a deficient number, since it is larger than the sum of its proper divisors (179922337).

479891615 is a wasteful number, since it uses less digits than its factorization.

479891615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34946.

The product of its digits is 544320, while the sum is 50.

The square root of 479891615 is about 21906.4286226669. The cubic root of 479891615 is about 782.9145914462.

The spelling of 479891615 in words is "four hundred seventy-nine million, eight hundred ninety-one thousand, six hundred fifteen".