971987915352 has 32 divisors (see below), whose sum is σ = 2430019180080. Its totient is φ = 323989386240.

The previous prime is 971987915333. The next prime is 971987915387. The reversal of 971987915352 is 253519789179.

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, 875952 + ... + 1646592.

Almost surely, 2^971987915352 is an apocalyptic number.

It is an amenable number.

971987915352 is an abundant number, since it is smaller than the sum of its proper divisors (1458031264728).

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

971987915352 is a wasteful number, since it uses less digits than its factorization.

971987915352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823203 (or 823199 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 66.

The spelling of 971987915352 in words is "nine hundred seventy-one billion, nine hundred eighty-seven million, nine hundred fifteen thousand, three hundred fifty-two".