86542312 has 16 divisors (see below), whose sum is σ = 162459360. Its totient is φ = 43219824.

The previous prime is 86542301. The next prime is 86542327. The reversal of 86542312 is 21324568.

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, 1293 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (10153710).

Almost surely, 2^86542312 is an apocalyptic number.

It is an amenable number.

86542312 is a deficient number, since it is larger than the sum of its proper divisors (75917048).

86542312 is a wasteful number, since it uses less digits than its factorization.

86542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840 (or 12836 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 86542312 is about 9302.8120479778. The cubic root of 86542312 is about 442.3263697907.

The spelling of 86542312 in words is "eighty-six million, five hundred forty-two thousand, three hundred twelve".