479665937655 has 24 divisors (see below), whose sum is σ = 831437070048. Its totient is φ = 255816876096.

The previous prime is 479665937629. The next prime is 479665937659. The reversal of 479665937655 is 556739566974.

479665937655 is a `hidden beast` number, since 479 + 6 + 6 + 5 + 93 + 7 + 65 + 5 = 666.

It is not a de Polignac number, because 479665937655 - 2²⁰ = 479664889079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479665937659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4474614 + ... + 4580556.

It is an arithmetic number, because the mean of its divisors is an integer number (34643211252).

Almost surely, 2^479665937655 is an apocalyptic number.

479665937655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

479665937655 is a deficient number, since it is larger than the sum of its proper divisors (351771132393).

479665937655 is a wasteful number, since it uses less digits than its factorization.

479665937655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206567 (or 206564 counting only the distinct ones).

The product of its digits is 1285956000, while the sum is 72.

The spelling of 479665937655 in words is "four hundred seventy-nine billion, six hundred sixty-five million, nine hundred thirty-seven thousand, six hundred fifty-five".