86023997 has 4 divisors (see below), whose sum is σ = 86083260. Its totient is φ = 85964736.

The previous prime is 86023967. The next prime is 86024009. The reversal of 86023997 is 79932068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8213956 + 77810041 = 2866^2 + 8821^2 .

It is a cyclic number.

It is not a de Polignac number, because 86023997 - 2⁸ = 86023741 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 (86023907) 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, 27398 + ... + 30375.

It is an arithmetic number, because the mean of its divisors is an integer number (21520815).

Almost surely, 2^86023997 is an apocalyptic number.

It is an amenable number.

86023997 is a deficient number, since it is larger than the sum of its proper divisors (59263).

86023997 is a wasteful number, since it uses less digits than its factorization.

86023997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59262.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 86023997 is about 9274.9122367815. The cubic root of 86023997 is about 441.4415478049.

The spelling of 86023997 in words is "eighty-six million, twenty-three thousand, nine hundred ninety-seven".