86127666 has 16 divisors (see below), whose sum is σ = 172515744. Its totient is φ = 28665824.

The previous prime is 86127637. The next prime is 86127683. The reversal of 86127666 is 66672168.

It is a happy number.

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, 6411 + ... + 14606.

It is an arithmetic number, because the mean of its divisors is an integer number (10782234).

Almost surely, 2^86127666 is an apocalyptic number.

86127666 is an abundant number, since it is smaller than the sum of its proper divisors (86388078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86127666 is a wasteful number, since it uses less digits than its factorization.

86127666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21705.

The product of its digits is 145152, while the sum is 42.

The square root of 86127666 is about 9280.4992322612. The cubic root of 86127666 is about 441.6188062216.

The spelling of 86127666 in words is "eighty-six million, one hundred twenty-seven thousand, six hundred sixty-six".