85887597 has 4 divisors (see below), whose sum is σ = 114516800. Its totient is φ = 57258396.

The previous prime is 85887563. The next prime is 85887617. The reversal of 85887597 is 79578858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85887597 - 2⁶ = 85887533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85887517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14314597 + ... + 14314602.

It is an arithmetic number, because the mean of its divisors is an integer number (28629200).

Almost surely, 2^85887597 is an apocalyptic number.

It is an amenable number.

85887597 is a deficient number, since it is larger than the sum of its proper divisors (28629203).

85887597 is a wasteful number, since it uses less digits than its factorization.

85887597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28629202.

The product of its digits is 5644800, while the sum is 57.

The square root of 85887597 is about 9267.5561503559. The cubic root of 85887597 is about 441.2081072079.

The spelling of 85887597 in words is "eighty-five million, eight hundred eighty-seven thousand, five hundred ninety-seven".