86042207666 has 8 divisors (see below), whose sum is σ = 133226644224. Its totient is φ = 41633326260.

The previous prime is 86042207557. The next prime is 86042207681. The reversal of 86042207666 is 66670224068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 86042207666.

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, 693888710 + ... + 693888833.

It is an arithmetic number, because the mean of its divisors is an integer number (16653330528).

Almost surely, 2^86042207666 is an apocalyptic number.

86042207666 is a deficient number, since it is larger than the sum of its proper divisors (47184436558).

86042207666 is a wasteful number, since it uses less digits than its factorization.

86042207666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387777576.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 86042207666 in words is "eighty-six billion, forty-two million, two hundred seven thousand, six hundred sixty-six".