86597871 has 16 divisors (see below), whose sum is σ = 119537664. Its totient is φ = 55720224.

The previous prime is 86597869. The next prime is 86597887. The reversal of 86597871 is 17879568.

It is not a de Polignac number, because 86597871 - 2¹ = 86597869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86597831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11026 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (7471104).

Almost surely, 2^86597871 is an apocalyptic number.

86597871 is a deficient number, since it is larger than the sum of its proper divisors (32939793).

86597871 is a wasteful number, since it uses less digits than its factorization.

86597871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310.

The product of its digits is 846720, while the sum is 51.

The square root of 86597871 is about 9305.7977089554. The cubic root of 86597871 is about 442.4210054015.

The spelling of 86597871 in words is "eighty-six million, five hundred ninety-seven thousand, eight hundred seventy-one".