85974793 has 2 divisors, whose sum is σ = 85974794. Its totient is φ = 85974792.

The previous prime is 85974787. The next prime is 85974799. The reversal of 85974793 is 39747958.

It is a balanced prime because it is at equal distance from previous prime (85974787) and next prime (85974799).

It can be written as a sum of positive squares in only one way, i.e., 72114064 + 13860729 = 8492^2 + 3723^2 .

It is a cyclic number.

It is not a de Polignac number, because 85974793 - 2⁹ = 85974281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85974793.

It is not a weakly prime, because it can be changed into another prime (85974799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42987396 + 42987397.

It is an arithmetic number, because the mean of its divisors is an integer number (42987397).

Almost surely, 2^85974793 is an apocalyptic number.

It is an amenable number.

85974793 is a deficient number, since it is larger than the sum of its proper divisors (1).

85974793 is an equidigital number, since it uses as much as digits as its factorization.

85974793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 85974793 is about 9272.2593255366. The cubic root of 85974793 is about 441.3573665173.

The spelling of 85974793 in words is "eighty-five million, nine hundred seventy-four thousand, seven hundred ninety-three".