85894597 has 2 divisors, whose sum is σ = 85894598. Its totient is φ = 85894596.

The previous prime is 85894559. The next prime is 85894639. The reversal of 85894597 is 79549858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 36978561 = 6994^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 85894597 - 2¹¹ = 85892549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85894517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42947298 + 42947299.

It is an arithmetic number, because the mean of its divisors is an integer number (42947299).

Almost surely, 2^85894597 is an apocalyptic number.

It is an amenable number.

85894597 is a deficient number, since it is larger than the sum of its proper divisors (1).

85894597 is an equidigital number, since it uses as much as digits as its factorization.

85894597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 55.

The square root of 85894597 is about 9267.9338042522. The cubic root of 85894597 is about 441.2200933113.

The spelling of 85894597 in words is "eighty-five million, eight hundred ninety-four thousand, five hundred ninety-seven".