85698825 has 12 divisors (see below), whose sum is σ = 141688848. Its totient is φ = 45706000.

The previous prime is 85698779. The next prime is 85698841. The reversal of 85698825 is 52889658.

It is not a de Polignac number, because 85698825 - 2¹² = 85694729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571251 + ... + 571400.

It is an arithmetic number, because the mean of its divisors is an integer number (11807404).

Almost surely, 2^85698825 is an apocalyptic number.

It is an amenable number.

85698825 is a deficient number, since it is larger than the sum of its proper divisors (55990023).

85698825 is a wasteful number, since it uses less digits than its factorization.

85698825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142664 (or 1142659 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 85698825 is about 9257.3659860675. The cubic root of 85698825 is about 440.8846269321.

It can be divided in two parts, 856 and 98825, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 85698825 in words is "eighty-five million, six hundred ninety-eight thousand, eight hundred twenty-five".