85929073 has 2 divisors, whose sum is σ = 85929074. Its totient is φ = 85929072.

The previous prime is 85929049. The next prime is 85929079. The reversal of 85929073 is 37092958.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 10291264 = 8697^2 + 3208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85929073 is a prime.

It is not a weakly prime, because it can be changed into another prime (85929079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42964536 + 42964537.

It is an arithmetic number, because the mean of its divisors is an integer number (42964537).

Almost surely, 2^85929073 is an apocalyptic number.

It is an amenable number.

85929073 is a deficient number, since it is larger than the sum of its proper divisors (1).

85929073 is an equidigital number, since it uses as much as digits as its factorization.

85929073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 85929073 is about 9269.7935791473. The cubic root of 85929073 is about 441.2791170828.

The spelling of 85929073 in words is "eighty-five million, nine hundred twenty-nine thousand, seventy-three".