17983097712 has 50 divisors (see below), whose sum is σ = 52048305848. Its totient is φ = 5994365472.

The previous prime is 17983097701. The next prime is 17983097729. The reversal of 17983097712 is 21779038971.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6936628 + ... + 6939219.

Almost surely, 2^17983097712 is an apocalyptic number.

17983097712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17983097712 is an abundant number, since it is smaller than the sum of its proper divisors (34065208136).

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

17983097712 is a wasteful number, since it uses less digits than its factorization.

17983097712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13875867 (or 13875852 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The spelling of 17983097712 in words is "seventeen billion, nine hundred eighty-three million, ninety-seven thousand, seven hundred twelve".