86115907 has 2 divisors, whose sum is σ = 86115908. Its totient is φ = 86115906.

The previous prime is 86115893. The next prime is 86115943. The reversal of 86115907 is 70951168.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86115907 is a prime.

It is not a weakly prime, because it can be changed into another prime (86115977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43057953 + 43057954.

It is an arithmetic number, because the mean of its divisors is an integer number (43057954).

Almost surely, 2^86115907 is an apocalyptic number.

86115907 is a deficient number, since it is larger than the sum of its proper divisors (1).

86115907 is an equidigital number, since it uses as much as digits as its factorization.

86115907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 86115907 is about 9279.8656779072. The cubic root of 86115907 is about 441.5987072525.

The spelling of 86115907 in words is "eighty-six million, one hundred fifteen thousand, nine hundred seven".