85896457 has 2 divisors, whose sum is σ = 85896458. Its totient is φ = 85896456.

The previous prime is 85896449. The next prime is 85896487. The reversal of 85896457 is 75469858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80928016 + 4968441 = 8996^2 + 2229^2 .

It is a cyclic number.

It is not a de Polignac number, because 85896457 - 2³ = 85896449 is a prime.

It is not a weakly prime, because it can be changed into another prime (85896407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42948228 + 42948229.

It is an arithmetic number, because the mean of its divisors is an integer number (42948229).

Almost surely, 2^85896457 is an apocalyptic number.

It is an amenable number.

85896457 is a deficient number, since it is larger than the sum of its proper divisors (1).

85896457 is an equidigital number, since it uses as much as digits as its factorization.

85896457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 52.

The square root of 85896457 is about 9268.0341496997. The cubic root of 85896457 is about 441.2232780807.

The spelling of 85896457 in words is "eighty-five million, eight hundred ninety-six thousand, four hundred fifty-seven".