86540612 has 24 divisors (see below), whose sum is σ = 153216672. Its totient is φ = 42768000.

The previous prime is 86540603. The next prime is 86540633. The reversal of 86540612 is 21604568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215612 + ... + 216012.

It is an arithmetic number, because the mean of its divisors is an integer number (6384028).

Almost surely, 2^86540612 is an apocalyptic number.

It is an amenable number.

86540612 is a deficient number, since it is larger than the sum of its proper divisors (66676060).

86540612 is a wasteful number, since it uses less digits than its factorization.

86540612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 86540612 is about 9302.7206773073. The cubic root of 86540612 is about 442.3234734820.

The spelling of 86540612 in words is "eighty-six million, five hundred forty thousand, six hundred twelve".