86874089 has 8 divisors (see below), whose sum is σ = 87489192. Its totient is φ = 86261760.

The previous prime is 86874083. The next prime is 86874101. The reversal of 86874089 is 98047868.

It can be written as a sum of positive squares in 4 ways, for example, as 235225 + 86638864 = 485^2 + 9308^2 .

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 86874089 - 2²⁰ = 85825513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86874083) 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, 135209 + ... + 135849.

It is an arithmetic number, because the mean of its divisors is an integer number (10936149).

Almost surely, 2^86874089 is an apocalyptic number.

It is an amenable number.

86874089 is a deficient number, since it is larger than the sum of its proper divisors (615103).

86874089 is a wasteful number, since it uses less digits than its factorization.

86874089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 86874089 is about 9320.6270711793. The cubic root of 86874089 is about 442.8908974173.

The spelling of 86874089 in words is "eighty-six million, eight hundred seventy-four thousand, eighty-nine".