86237687 has 2 divisors, whose sum is σ = 86237688. Its totient is φ = 86237686.

The previous prime is 86237681. The next prime is 86237689. The reversal of 86237687 is 78673268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86237687 - 2⁶ = 86237623 is a prime.

Together with 86237689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86237681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43118843 + 43118844.

It is an arithmetic number, because the mean of its divisors is an integer number (43118844).

Almost surely, 2^86237687 is an apocalyptic number.

86237687 is a deficient number, since it is larger than the sum of its proper divisors (1).

86237687 is an equidigital number, since it uses as much as digits as its factorization.

86237687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 86237687 is about 9286.4248772065. The cubic root of 86237687 is about 441.8067700929.

The spelling of 86237687 in words is "eighty-six million, two hundred thirty-seven thousand, six hundred eighty-seven".