85718299967 has 2 divisors, whose sum is σ = 85718299968. Its totient is φ = 85718299966.

The previous prime is 85718299817. The next prime is 85718299969. The reversal of 85718299967 is 76999281758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85718299967 - 2³² = 81423332671 is a prime.

Together with 85718299969, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85718299967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85718299969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42859149983 + 42859149984.

It is an arithmetic number, because the mean of its divisors is an integer number (42859149984).

Almost surely, 2^85718299967 is an apocalyptic number.

85718299967 is a deficient number, since it is larger than the sum of its proper divisors (1).

85718299967 is an equidigital number, since it uses as much as digits as its factorization.

85718299967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 71.

The spelling of 85718299967 in words is "eighty-five billion, seven hundred eighteen million, two hundred ninety-nine thousand, nine hundred sixty-seven".