85080791 has 4 divisors (see below), whose sum is σ = 86279184. Its totient is φ = 83882400.

The previous prime is 85080761. The next prime is 85080811. The reversal of 85080791 is 19708058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85080791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85080761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599090 + ... + 599231.

It is an arithmetic number, because the mean of its divisors is an integer number (21569796).

Almost surely, 2^85080791 is an apocalyptic number.

85080791 is a deficient number, since it is larger than the sum of its proper divisors (1198393).

85080791 is a wasteful number, since it uses less digits than its factorization.

85080791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198392.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 85080791 is about 9223.9249238055. The cubic root of 85080791 is about 439.8222267376.

The spelling of 85080791 in words is "eighty-five million, eighty thousand, seven hundred ninety-one".