97318747 has 4 divisors (see below), whose sum is σ = 98228376. Its totient is φ = 96409120.

The previous prime is 97318723. The next prime is 97318763. The reversal of 97318747 is 74781379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74781379 = 59 ⋅1267481.

It is a cyclic number.

It is not a de Polignac number, because 97318747 - 2⁷ = 97318619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97318697 and 97318706.

It is not an unprimeable number, because it can be changed into a prime (97318147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454654 + ... + 454867.

It is an arithmetic number, because the mean of its divisors is an integer number (24557094).

Almost surely, 2^97318747 is an apocalyptic number.

97318747 is a deficient number, since it is larger than the sum of its proper divisors (909629).

97318747 is a wasteful number, since it uses less digits than its factorization.

97318747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909628.

The product of its digits is 296352, while the sum is 46.

The square root of 97318747 is about 9865.0264571363. The cubic root of 97318747 is about 459.9728197551.

The spelling of 97318747 in words is "ninety-seven million, three hundred eighteen thousand, seven hundred forty-seven".