86911607 has 2 divisors, whose sum is σ = 86911608. Its totient is φ = 86911606.

The previous prime is 86911603. The next prime is 86911609. The reversal of 86911607 is 70611968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86911607 - 2² = 86911603 is a prime.

Together with 86911609, 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 (86911603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43455803 + 43455804.

It is an arithmetic number, because the mean of its divisors is an integer number (43455804).

Almost surely, 2^86911607 is an apocalyptic number.

86911607 is a deficient number, since it is larger than the sum of its proper divisors (1).

86911607 is an equidigital number, since it uses as much as digits as its factorization.

86911607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 86911607 is about 9322.6394867548. The cubic root of 86911607 is about 442.9546448070.

The spelling of 86911607 in words is "eighty-six million, nine hundred eleven thousand, six hundred seven".