86797331 has 4 divisors (see below), whose sum is σ = 90571152. Its totient is φ = 83023512.

The previous prime is 86797307. The next prime is 86797343. The reversal of 86797331 is 13379768.

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

It is a cyclic number.

It is not a de Polignac number, because 86797331 - 2⁶ = 86797267 is a prime.

It is a super-2 number, since 2×86797331² = 15067553337447122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86797351) 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, 1886876 + ... + 1886921.

It is an arithmetic number, because the mean of its divisors is an integer number (22642788).

Almost surely, 2^86797331 is an apocalyptic number.

86797331 is a deficient number, since it is larger than the sum of its proper divisors (3773821).

86797331 is a wasteful number, since it uses less digits than its factorization.

86797331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773820.

The product of its digits is 190512, while the sum is 44.

The square root of 86797331 is about 9316.5085198265. The cubic root of 86797331 is about 442.7604195533.

The spelling of 86797331 in words is "eighty-six million, seven hundred ninety-seven thousand, three hundred thirty-one".