27983312562 has 32 divisors (see below), whose sum is σ = 57798203904. Its totient is φ = 9022780800.

The previous prime is 27983312557. The next prime is 27983312603. The reversal of 27983312562 is 26521338972.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391288 + ... + 457244.

It is an arithmetic number, because the mean of its divisors is an integer number (1806193872).

Almost surely, 2^27983312562 is an apocalyptic number.

27983312562 is an abundant number, since it is smaller than the sum of its proper divisors (29814891342).

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

27983312562 is a wasteful number, since it uses less digits than its factorization.

27983312562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68274.

The product of its digits is 1088640, while the sum is 48.

The spelling of 27983312562 in words is "twenty-seven billion, nine hundred eighty-three million, three hundred twelve thousand, five hundred sixty-two".