97507867 has 4 divisors (see below), whose sum is σ = 102639880. Its totient is φ = 92375856.

The previous prime is 97507849. The next prime is 97507897. The reversal of 97507867 is 76870579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76870579 = 3391 ⋅22669.

It is a cyclic number.

It is not a de Polignac number, because 97507867 - 2¹⁵ = 97475099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97507867.

It is not an unprimeable number, because it can be changed into a prime (97507897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565978 + ... + 2566015.

It is an arithmetic number, because the mean of its divisors is an integer number (25659970).

Almost surely, 2^97507867 is an apocalyptic number.

97507867 is a deficient number, since it is larger than the sum of its proper divisors (5132013).

97507867 is a wasteful number, since it uses less digits than its factorization.

97507867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132012.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 97507867 is about 9874.6071820605. The cubic root of 97507867 is about 460.2705827716.

The spelling of 97507867 in words is "ninety-seven million, five hundred seven thousand, eight hundred sixty-seven".