85100897 has 12 divisors (see below), whose sum is σ = 103300416. Its totient is φ = 69771240.

The previous prime is 85100893. The next prime is 85100909. The reversal of 85100897 is 79800158.

It is not a de Polignac number, because 85100897 - 2² = 85100893 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85100897.

It is not an unprimeable number, because it can be changed into a prime (85100893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36629 + ... + 38882.

It is an arithmetic number, because the mean of its divisors is an integer number (8608368).

Almost surely, 2^85100897 is an apocalyptic number.

It is an amenable number.

85100897 is a deficient number, since it is larger than the sum of its proper divisors (18199519).

85100897 is a wasteful number, since it uses less digits than its factorization.

85100897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75548 (or 75541 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 85100897 is about 9225.0147425356. The cubic root of 85100897 is about 439.8568697677.

The spelling of 85100897 in words is "eighty-five million, one hundred thousand, eight hundred ninety-seven".