86567331 has 16 divisors (see below), whose sum is σ = 121973760. Its totient is φ = 54500160.

The previous prime is 86567329. The next prime is 86567347. The reversal of 86567331 is 13376568.

It is not a de Polignac number, because 86567331 - 2¹ = 86567329 is a prime.

It is a super-2 number, since 2×86567331² = 14987805592927122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86567331.

It is not an unprimeable number, because it can be changed into a prime (86567321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2490 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (7623360).

Almost surely, 2^86567331 is an apocalyptic number.

86567331 is a deficient number, since it is larger than the sum of its proper divisors (35406429).

86567331 is a wasteful number, since it uses less digits than its factorization.

86567331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15986.

The product of its digits is 90720, while the sum is 39.

The square root of 86567331 is about 9304.1566517337. The cubic root of 86567331 is about 442.3689905502.

The spelling of 86567331 in words is "eighty-six million, five hundred sixty-seven thousand, three hundred thirty-one".