479912878685 has 8 divisors (see below), whose sum is σ = 575921444280. Its totient is φ = 383912976384.

The previous prime is 479912878673. The next prime is 479912878727. The reversal of 479912878685 is 586878219974.

It can be written as a sum of positive squares in 4 ways, for example, as 10937185561 + 468975693124 = 104581^2 + 684818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479912878685 is a prime.

It is a super-2 number, since 2×479912878685² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043320 + ... + 2266049.

It is an arithmetic number, because the mean of its divisors is an integer number (71990180535).

Almost surely, 2^479912878685 is an apocalyptic number.

It is an amenable number.

479912878685 is a deficient number, since it is larger than the sum of its proper divisors (96008565595).

479912878685 is a wasteful number, since it uses less digits than its factorization.

479912878685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331647.

The product of its digits is 487710720, while the sum is 74.

The spelling of 479912878685 in words is "four hundred seventy-nine billion, nine hundred twelve million, eight hundred seventy-eight thousand, six hundred eighty-five".