7984324173897 has 12 divisors (see below), whose sum is σ = 11534413109440. Its totient is φ = 5322190283928.

The previous prime is 7984324173857. The next prime is 7984324173929. The reversal of 7984324173897 is 7983714234897.

7984324173897 is a `hidden beast` number, since 7 + 9 + 8 + 432 + 41 + 73 + 89 + 7 = 666.

It is not a de Polignac number, because 7984324173897 - 2¹⁰ = 7984324172873 is a prime.

It is a super-2 number, since 2×7984324173897² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7984324173857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57635197 + ... + 57773562.

Almost surely, 2^{7984324173897} is an apocalyptic number.

It is an amenable number.

7984324173897 is a deficient number, since it is larger than the sum of its proper divisors (3550088935543).

7984324173897 is a wasteful number, since it uses less digits than its factorization.

7984324173897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115416452 (or 115416449 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 72.

The spelling of 7984324173897 in words is "seven trillion, nine hundred eighty-four billion, three hundred twenty-four million, one hundred seventy-three thousand, eight hundred ninety-seven".