97310087 has 4 divisors (see below), whose sum is σ = 111211536. Its totient is φ = 83408640.

The previous prime is 97310047. The next prime is 97310089. The reversal of 97310087 is 78001379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78001379 = 139 ⋅561161.

It is not a de Polignac number, because 97310087 - 2²⁰ = 96261511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97310089) 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, 6950714 + ... + 6950727.

It is an arithmetic number, because the mean of its divisors is an integer number (27802884).

Almost surely, 2^97310087 is an apocalyptic number.

97310087 is a deficient number, since it is larger than the sum of its proper divisors (13901449).

97310087 is a wasteful number, since it uses less digits than its factorization.

97310087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901448.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 97310087 is about 9864.5875230544. The cubic root of 97310087 is about 459.9591756461.

The spelling of 97310087 in words is "ninety-seven million, three hundred ten thousand, eighty-seven".