479393671236 has 12 divisors (see below), whose sum is σ = 1118585232912. Its totient is φ = 159797890408.

The previous prime is 479393671217. The next prime is 479393671303. The reversal of 479393671236 is 632176393974.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×479393671236² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 479393671236.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19974736290 + ... + 19974736313.

It is an arithmetic number, because the mean of its divisors is an integer number (93215436076).

Almost surely, 2^479393671236 is an apocalyptic number.

It is an amenable number.

479393671236 is an abundant number, since it is smaller than the sum of its proper divisors (639191561676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479393671236 is a wasteful number, since it uses less digits than its factorization.

479393671236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39949472610 (or 39949472608 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 60.

The spelling of 479393671236 in words is "four hundred seventy-nine billion, three hundred ninety-three million, six hundred seventy-one thousand, two hundred thirty-six".