97485887 has 4 divisors (see below), whose sum is σ = 97512456. Its totient is φ = 97459320.

The previous prime is 97485863. The next prime is 97485893. The reversal of 97485887 is 78858479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78858479 = 7 ⋅11265497.

It is a cyclic number.

It is not a de Polignac number, because 97485887 - 2¹⁴ = 97469503 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 (97485847) 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, 6689 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (24378114).

Almost surely, 2^97485887 is an apocalyptic number.

97485887 is a deficient number, since it is larger than the sum of its proper divisors (26569).

97485887 is a wasteful number, since it uses less digits than its factorization.

97485887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26568.

The product of its digits is 4515840, while the sum is 56.

The square root of 97485887 is about 9873.4941636687. The cubic root of 97485887 is about 460.2359957926.

The spelling of 97485887 in words is "ninety-seven million, four hundred eighty-five thousand, eight hundred eighty-seven".