86871597 has 16 divisors (see below), whose sum is σ = 120745152. Its totient is φ = 55503360.

The previous prime is 86871593. The next prime is 86871599. The reversal of 86871597 is 79517868.

It is not a de Polignac number, because 86871597 - 2² = 86871593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86871593) 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, 1597 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (7546572).

Almost surely, 2^86871597 is an apocalyptic number.

It is an amenable number.

86871597 is a deficient number, since it is larger than the sum of its proper divisors (33873555).

86871597 is a wasteful number, since it uses less digits than its factorization.

86871597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788.

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

The square root of 86871597 is about 9320.4933882279. The cubic root of 86871597 is about 442.8866625732.

The spelling of 86871597 in words is "eighty-six million, eight hundred seventy-one thousand, five hundred ninety-seven".