85952075591 has 2 divisors, whose sum is σ = 85952075592. Its totient is φ = 85952075590.

The previous prime is 85952075563. The next prime is 85952075593. The reversal of 85952075591 is 19557025958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85952075591 - 2⁶ = 85952075527 is a prime.

It is a Sophie Germain prime.

Together with 85952075593, 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 (85952075593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42976037795 + 42976037796.

It is an arithmetic number, because the mean of its divisors is an integer number (42976037796).

Almost surely, 2^85952075591 is an apocalyptic number.

85952075591 is a deficient number, since it is larger than the sum of its proper divisors (1).

85952075591 is an equidigital number, since it uses as much as digits as its factorization.

85952075591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670000, while the sum is 56.

The spelling of 85952075591 in words is "eighty-five billion, nine hundred fifty-two million, seventy-five thousand, five hundred ninety-one".