427721883276 has 24 divisors (see below), whose sum is σ = 998657936640. Its totient is φ = 142482502672.

The previous prime is 427721883269. The next prime is 427721883293. The reversal of 427721883276 is 672388127724.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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, 11412816 + ... + 11450231.

It is an arithmetic number, because the mean of its divisors is an integer number (41610747360).

Almost surely, 2^427721883276 is an apocalyptic number.

It is an amenable number.

427721883276 is an abundant number, since it is smaller than the sum of its proper divisors (570936053364).

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

427721883276 is a wasteful number, since it uses less digits than its factorization.

427721883276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22864613 (or 22864611 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 57.

The spelling of 427721883276 in words is "four hundred twenty-seven billion, seven hundred twenty-one million, eight hundred eighty-three thousand, two hundred seventy-six".