30889869772768 has 96 divisors (see below), whose sum is σ = 65397855914496. Its totient is φ = 14310519379968.

The previous prime is 30889869772757. The next prime is 30889869772789. The reversal of 30889869772768 is 86727796898803.

It is a congruent number.

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, 11569305 + ... + 13986727.

It is an arithmetic number, because the mean of its divisors is an integer number (681227665776).

Almost surely, 2^{30889869772768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30889869772768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32698927957248).

30889869772768 is an abundant number, since it is smaller than the sum of its proper divisors (34507986141728).

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

30889869772768 is a wasteful number, since it uses less digits than its factorization.

30889869772768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417816 (or 2417808 counting only the distinct ones).

The product of its (nonzero) digits is 24580620288, while the sum is 88.

The spelling of 30889869772768 in words is "thirty trillion, eight hundred eighty-nine billion, eight hundred sixty-nine million, seven hundred seventy-two thousand, seven hundred sixty-eight".