9983764974 has 16 divisors (see below), whose sum is σ = 20835683712. Its totient is φ = 3183229368.

The previous prime is 9983764969. The next prime is 9983764991. The reversal of 9983764974 is 4794673899.

It is a congruent number.

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, 36172924 + ... + 36173199.

It is an arithmetic number, because the mean of its divisors is an integer number (1302230232).

Almost surely, 2^9983764974 is an apocalyptic number.

9983764974 is an abundant number, since it is smaller than the sum of its proper divisors (10851918738).

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

9983764974 is a wasteful number, since it uses less digits than its factorization.

9983764974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72346151.

The product of its digits is 82301184, while the sum is 66.

The square root of 9983764974 is about 99918.7918962194. The cubic root of 9983764974 is about 2153.2681484026.

The spelling of 9983764974 in words is "nine billion, nine hundred eighty-three million, seven hundred sixty-four thousand, nine hundred seventy-four".