85080851 has 2 divisors, whose sum is σ = 85080852. Its totient is φ = 85080850.

The previous prime is 85080839. The next prime is 85080859. The reversal of 85080851 is 15808058.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85080851 is a prime.

It is not a weakly prime, because it can be changed into another prime (85080859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42540425 + 42540426.

It is an arithmetic number, because the mean of its divisors is an integer number (42540426).

Almost surely, 2^85080851 is an apocalyptic number.

85080851 is a deficient number, since it is larger than the sum of its proper divisors (1).

85080851 is an equidigital number, since it uses as much as digits as its factorization.

85080851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 85080851 is about 9223.9281762165. The cubic root of 85080851 is about 439.8223301269.

The spelling of 85080851 in words is "eighty-five million, eighty thousand, eight hundred fifty-one".