97406318915 has 4 divisors (see below), whose sum is σ = 116887582704. Its totient is φ = 77925055128.

The previous prime is 97406318909. The next prime is 97406318921. The reversal of 97406318915 is 51981360479.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (97406318909) and next prime (97406318921).

It is a cyclic number.

It is not a de Polignac number, because 97406318915 - 2¹⁶ = 97406253379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740631887 + ... + 9740631896.

It is an arithmetic number, because the mean of its divisors is an integer number (29221895676).

Almost surely, 2^97406318915 is an apocalyptic number.

97406318915 is a deficient number, since it is larger than the sum of its proper divisors (19481263789).

97406318915 is a wasteful number, since it uses less digits than its factorization.

97406318915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481263788.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 97406318915 in words is "ninety-seven billion, four hundred six million, three hundred eighteen thousand, nine hundred fifteen".