86534866 has 16 divisors (see below), whose sum is σ = 141954048. Its totient is φ = 39236400.

The previous prime is 86534863. The next prime is 86534893. The reversal of 86534866 is 66843568.

It is not an unprimeable number, because it can be changed into a prime (86534863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4591 + ... + 13933.

It is an arithmetic number, because the mean of its divisors is an integer number (8872128).

Almost surely, 2^86534866 is an apocalyptic number.

86534866 is a deficient number, since it is larger than the sum of its proper divisors (55419182).

86534866 is a wasteful number, since it uses less digits than its factorization.

86534866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9777.

The product of its digits is 829440, while the sum is 46.

The square root of 86534866 is about 9302.4118377978. The cubic root of 86534866 is about 442.3136836778.

The spelling of 86534866 in words is "eighty-six million, five hundred thirty-four thousand, eight hundred sixty-six".