86667233 has 2 divisors, whose sum is σ = 86667234. Its totient is φ = 86667232.

The previous prime is 86667211. The next prime is 86667257. The reversal of 86667233 is 33276668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 16224784 = 8393^2 + 4028^2 .

It is a cyclic number.

It is not a de Polignac number, because 86667233 - 2⁶ = 86667169 is a prime.

It is a super-2 number, since 2×86667233² = 15022418551752578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86667733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43333616 + 43333617.

It is an arithmetic number, because the mean of its divisors is an integer number (43333617).

Almost surely, 2^86667233 is an apocalyptic number.

It is an amenable number.

86667233 is a deficient number, since it is larger than the sum of its proper divisors (1).

86667233 is an equidigital number, since it uses as much as digits as its factorization.

86667233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 86667233 is about 9309.5237794422. The cubic root of 86667233 is about 442.5390953573.

The spelling of 86667233 in words is "eighty-six million, six hundred sixty-seven thousand, two hundred thirty-three".