85983011 has 2 divisors, whose sum is σ = 85983012. Its totient is φ = 85983010.

The previous prime is 85982969. The next prime is 85983067. The reversal of 85983011 is 11038958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85983011 - 2²⁶ = 18874147 is a prime.

It is a super-2 number, since 2×85983011² = 14786156361252242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85988011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42991505 + 42991506.

It is an arithmetic number, because the mean of its divisors is an integer number (42991506).

Almost surely, 2^85983011 is an apocalyptic number.

85983011 is a deficient number, since it is larger than the sum of its proper divisors (1).

85983011 is an equidigital number, since it uses as much as digits as its factorization.

85983011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 85983011 is about 9272.7024647618. The cubic root of 85983011 is about 441.3714286206.

The spelling of 85983011 in words is "eighty-five million, nine hundred eighty-three thousand, eleven".