97960917187 has 8 divisors (see below), whose sum is σ = 112169401856. Its totient is φ = 83805949512.

The previous prime is 97960917179. The next prime is 97960917221. The reversal of 97960917187 is 78171906979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97960917187 - 2³ = 97960917179 is a prime.

It is a super-2 number, since 2×97960917187² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97960917157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13375323 + ... + 13382644.

It is an arithmetic number, because the mean of its divisors is an integer number (14021175232).

Almost surely, 2^97960917187 is an apocalyptic number.

97960917187 is a deficient number, since it is larger than the sum of its proper divisors (14208484669).

97960917187 is a wasteful number, since it uses less digits than its factorization.

97960917187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26758497.

The product of its (nonzero) digits is 12002256, while the sum is 64.

The spelling of 97960917187 in words is "ninety-seven billion, nine hundred sixty million, nine hundred seventeen thousand, one hundred eighty-seven".