86072269 has 2 divisors, whose sum is σ = 86072270. Its totient is φ = 86072268.

The previous prime is 86072257. The next prime is 86072291. The reversal of 86072269 is 96227068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64561225 + 21511044 = 8035^2 + 4638^2 .

It is a cyclic number.

It is not a de Polignac number, because 86072269 - 2¹⁵ = 86039501 is a prime.

It is a super-2 number, since 2×86072269² = 14816870981616722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86072219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43036134 + 43036135.

It is an arithmetic number, because the mean of its divisors is an integer number (43036135).

Almost surely, 2^86072269 is an apocalyptic number.

It is an amenable number.

86072269 is a deficient number, since it is larger than the sum of its proper divisors (1).

86072269 is an equidigital number, since it uses as much as digits as its factorization.

86072269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 86072269 is about 9277.5141605928. The cubic root of 86072269 is about 441.5241033805.

The spelling of 86072269 in words is "eighty-six million, seventy-two thousand, two hundred sixty-nine".