86974553 has 8 divisors (see below), whose sum is σ = 87966720. Its totient is φ = 85987440.

The previous prime is 86974543. The next prime is 86974577. The reversal of 86974553 is 35547968.

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 86974553 - 2⁸ = 86974297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86974498 and 86974507.

It is not an unprimeable number, because it can be changed into a prime (86974543) 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, 41003 + ... + 43071.

It is an arithmetic number, because the mean of its divisors is an integer number (10995840).

Almost surely, 2^86974553 is an apocalyptic number.

It is an amenable number.

86974553 is a deficient number, since it is larger than the sum of its proper divisors (992167).

86974553 is a wasteful number, since it uses less digits than its factorization.

86974553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

The product of its digits is 907200, while the sum is 47.

The square root of 86974553 is about 9326.0148509425. The cubic root of 86974553 is about 443.0615560911.

The spelling of 86974553 in words is "eighty-six million, nine hundred seventy-four thousand, five hundred fifty-three".