17890508968 has 32 divisors (see below), whose sum is σ = 35010273600. Its totient is φ = 8554594048.

The previous prime is 17890508939. The next prime is 17890509017. The reversal of 17890508968 is 86980509871.

It is a super-2 number, since 2×17890508968² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750080 + ... + 1760272.

It is an arithmetic number, because the mean of its divisors is an integer number (1094071050).

Almost surely, 2^17890508968 is an apocalyptic number.

It is an amenable number.

17890508968 is a deficient number, since it is larger than the sum of its proper divisors (17119764632).

17890508968 is a wasteful number, since it uses less digits than its factorization.

17890508968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19761 (or 19757 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 61.

The spelling of 17890508968 in words is "seventeen billion, eight hundred ninety million, five hundred eight thousand, nine hundred sixty-eight".