479693487 has 36 divisors (see below), whose sum is σ = 805690440. Its totient is φ = 253012032.

The previous prime is 479693479. The next prime is 479693507. The reversal of 479693487 is 784396974.

It is not a de Polignac number, because 479693487 - 2³ = 479693479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479693477) 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 35 ways as a sum of consecutive naturals, for example, 15189 + ... + 34497.

It is an arithmetic number, because the mean of its divisors is an integer number (22380290).

Almost surely, 2^479693487 is an apocalyptic number.

479693487 is a deficient number, since it is larger than the sum of its proper divisors (325996953).

479693487 is a wasteful number, since it uses less digits than its factorization.

479693487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19352 (or 19332 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 479693487 is about 21901.9060129478. The cubic root of 479693487 is about 782.8068319373.

The spelling of 479693487 in words is "four hundred seventy-nine million, six hundred ninety-three thousand, four hundred eighty-seven".