86174089 has 3 divisors (see below), whose sum is σ = 86183373. Its totient is φ = 86164806.

The previous prime is 86174059. The next prime is 86174093. The reversal of 86174089 is 98047168.

The square root of 86174089 is 9283.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 86174089 - 2⁷ = 86173961 is a prime.

It is a super-2 number, since 2×86174089² = 14851947229959842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86174009) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4642 + ... + 13924.

It is an arithmetic number, because the mean of its divisors is an integer number (28727791).

Almost surely, 2^86174089 is an apocalyptic number.

86174089 is the 9283-rd square number.

86174089 is the 4642-nd centered octagonal number.

It is an amenable number.

86174089 is a deficient number, since it is larger than the sum of its proper divisors (9284).

86174089 is an frugal number, since it uses more digits than its factorization.

86174089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18566 (or 9283 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The cubic root of 86174089 is about 441.6981364705.

The spelling of 86174089 in words is "eighty-six million, one hundred seventy-four thousand, eighty-nine".