86512067 has 2 divisors, whose sum is σ = 86512068. Its totient is φ = 86512066.

The previous prime is 86512061. The next prime is 86512093. The reversal of 86512067 is 76021568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86512067 - 2⁶ = 86512003 is a prime.

It is a super-2 number, since 2×86512067² = 14968675473224978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86512061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43256033 + 43256034.

It is an arithmetic number, because the mean of its divisors is an integer number (43256034).

Almost surely, 2^86512067 is an apocalyptic number.

86512067 is a deficient number, since it is larger than the sum of its proper divisors (1).

86512067 is an equidigital number, since it uses as much as digits as its factorization.

86512067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 86512067 is about 9301.1863221849. The cubic root of 86512067 is about 442.2748353851.

The spelling of 86512067 in words is "eighty-six million, five hundred twelve thousand, sixty-seven".