85982897 has 32 divisors (see below), whose sum is σ = 117868800. Its totient is φ = 61810560.

The previous prime is 85982887. The next prime is 85982899. The reversal of 85982897 is 79828958.

It is not a de Polignac number, because 85982897 - 2¹⁴ = 85966513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85982899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48173 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (3683400).

Almost surely, 2^85982897 is an apocalyptic number.

It is an amenable number.

85982897 is a deficient number, since it is larger than the sum of its proper divisors (31885903).

85982897 is a wasteful number, since it uses less digits than its factorization.

85982897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1784 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 56.

The square root of 85982897 is about 9272.6963176845. The cubic root of 85982897 is about 441.3712335574.

The spelling of 85982897 in words is "eighty-five million, nine hundred eighty-two thousand, eight hundred ninety-seven".