86531276 has 12 divisors (see below), whose sum is σ = 163078272. Its totient is φ = 39937488.

The previous prime is 86531257. The next prime is 86531281. The reversal of 86531276 is 67213568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831980 + ... + 832083.

It is an arithmetic number, because the mean of its divisors is an integer number (13589856).

Almost surely, 2^86531276 is an apocalyptic number.

It is an amenable number.

86531276 is a deficient number, since it is larger than the sum of its proper divisors (76546996).

86531276 is a wasteful number, since it uses less digits than its factorization.

86531276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664080 (or 1664078 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 86531276 is about 9302.2188750857. The cubic root of 86531276 is about 442.3075669600.

The spelling of 86531276 in words is "eighty-six million, five hundred thirty-one thousand, two hundred seventy-six".