85936079 has 2 divisors, whose sum is σ = 85936080. Its totient is φ = 85936078.

The previous prime is 85936049. The next prime is 85936091. The reversal of 85936079 is 97063958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85936079 - 2⁸ = 85935823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85936049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42968039 + 42968040.

It is an arithmetic number, because the mean of its divisors is an integer number (42968040).

Almost surely, 2^85936079 is an apocalyptic number.

85936079 is a deficient number, since it is larger than the sum of its proper divisors (1).

85936079 is an equidigital number, since it uses as much as digits as its factorization.

85936079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 85936079 is about 9270.1714655124. The cubic root of 85936079 is about 441.2911095993.

The spelling of 85936079 in words is "eighty-five million, nine hundred thirty-six thousand, seventy-nine".