97853887 has 8 divisors (see below), whose sum is σ = 106952832. Its totient is φ = 89126400.

The previous prime is 97853879. The next prime is 97853897. The reversal of 97853887 is 78835879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97853887 - 2³ = 97853879 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 (97853807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92314 + ... + 93367.

It is an arithmetic number, because the mean of its divisors is an integer number (13369104).

Almost surely, 2^97853887 is an apocalyptic number.

97853887 is a deficient number, since it is larger than the sum of its proper divisors (9098945).

97853887 is a wasteful number, since it uses less digits than its factorization.

97853887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185729.

The product of its digits is 3386880, while the sum is 55.

The square root of 97853887 is about 9892.1123628879. The cubic root of 97853887 is about 460.8143843945.

The spelling of 97853887 in words is "ninety-seven million, eight hundred fifty-three thousand, eight hundred eighty-seven".