85746925087 has 2 divisors, whose sum is σ = 85746925088. Its totient is φ = 85746925086.

The previous prime is 85746925049. The next prime is 85746925123. The reversal of 85746925087 is 78052964758.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85746925087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85746925027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42873462543 + 42873462544.

It is an arithmetic number, because the mean of its divisors is an integer number (42873462544).

Almost surely, 2^85746925087 is an apocalyptic number.

85746925087 is a deficient number, since it is larger than the sum of its proper divisors (1).

85746925087 is an equidigital number, since it uses as much as digits as its factorization.

85746925087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 85746925087 in words is "eighty-five billion, seven hundred forty-six million, nine hundred twenty-five thousand, eighty-seven".