86502897 has 48 divisors (see below), whose sum is σ = 141261120. Its totient is φ = 52581312.

The previous prime is 86502893. The next prime is 86502937. The reversal of 86502897 is 79820568.

It is not a de Polignac number, because 86502897 - 2² = 86502893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86502893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439003 + ... + 439199.

It is an arithmetic number, because the mean of its divisors is an integer number (2942940).

Almost surely, 2^86502897 is an apocalyptic number.

It is an amenable number.

86502897 is a deficient number, since it is larger than the sum of its proper divisors (54758223).

86502897 is a wasteful number, since it uses less digits than its factorization.

86502897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 86502897 is about 9300.6933612500. The cubic root of 86502897 is about 442.2592082644.

The spelling of 86502897 in words is "eighty-six million, five hundred two thousand, eight hundred ninety-seven".