97982712867 has 16 divisors (see below), whose sum is σ = 140771957760. Its totient is φ = 60263269152.

The previous prime is 97982712857. The next prime is 97982712871. The reversal of 97982712867 is 76821728979.

It is not a de Polignac number, because 97982712867 - 2²⁴ = 97965935651 is a prime.

It is a super-2 number, since 2×97982712867² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97982712798 and 97982712807.

It is not an unprimeable number, because it can be changed into a prime (97982712857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633267 + ... + 772652.

It is an arithmetic number, because the mean of its divisors is an integer number (8798247360).

Almost surely, 2^97982712867 is an apocalyptic number.

97982712867 is a deficient number, since it is larger than the sum of its proper divisors (42789244893).

97982712867 is a wasteful number, since it uses less digits than its factorization.

97982712867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407722.

The product of its digits is 42674688, while the sum is 66.

The spelling of 97982712867 in words is "ninety-seven billion, nine hundred eighty-two million, seven hundred twelve thousand, eight hundred sixty-seven".