85287597 has 8 divisors (see below), whose sum is σ = 113789760. Its totient is φ = 56821920.

The previous prime is 85287571. The next prime is 85287607. The reversal of 85287597 is 79578258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85287597 - 2⁸ = 85287341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85217597) 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 in 7 ways as a sum of consecutive naturals, for example, 3097 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (14223720).

Almost surely, 2^85287597 is an apocalyptic number.

It is an amenable number.

85287597 is a deficient number, since it is larger than the sum of its proper divisors (28502163).

85287597 is a wasteful number, since it uses less digits than its factorization.

85287597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18243.

The product of its digits is 1411200, while the sum is 51.

The square root of 85287597 is about 9235.1284235792. The cubic root of 85287597 is about 440.1782972308.

The spelling of 85287597 in words is "eighty-five million, two hundred eighty-seven thousand, five hundred ninety-seven".