86687339 has 2 divisors, whose sum is σ = 86687340. Its totient is φ = 86687338.

The previous prime is 86687327. The next prime is 86687353. The reversal of 86687339 is 93378668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86687339 - 2⁴ = 86687323 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86687309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43343669 + 43343670.

It is an arithmetic number, because the mean of its divisors is an integer number (43343670).

Almost surely, 2^86687339 is an apocalyptic number.

86687339 is a deficient number, since it is larger than the sum of its proper divisors (1).

86687339 is an equidigital number, since it uses as much as digits as its factorization.

86687339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 86687339 is about 9310.6035787160. The cubic root of 86687339 is about 442.5733143763.

The spelling of 86687339 in words is "eighty-six million, six hundred eighty-seven thousand, three hundred thirty-nine".