86916079 has 2 divisors, whose sum is σ = 86916080. Its totient is φ = 86916078.

The previous prime is 86916061. The next prime is 86916091. The reversal of 86916079 is 97061968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86916079 - 2⁵ = 86916047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86916779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43458039 + 43458040.

It is an arithmetic number, because the mean of its divisors is an integer number (43458040).

Almost surely, 2^86916079 is an apocalyptic number.

86916079 is a deficient number, since it is larger than the sum of its proper divisors (1).

86916079 is an equidigital number, since it uses as much as digits as its factorization.

86916079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 86916079 is about 9322.8793299066. The cubic root of 86916079 is about 442.9622420247.

The spelling of 86916079 in words is "eighty-six million, nine hundred sixteen thousand, seventy-nine".