86887558666 has 32 divisors (see below), whose sum is σ = 136486747008. Its totient is φ = 41405844480.

The previous prime is 86887558661. The next prime is 86887558673. The reversal of 86887558666 is 66685578868.

It is not an unprimeable number, because it can be changed into a prime (86887558661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16126425 + ... + 16131811.

It is an arithmetic number, because the mean of its divisors is an integer number (4265210844).

Almost surely, 2^86887558666 is an apocalyptic number.

86887558666 is a deficient number, since it is larger than the sum of its proper divisors (49599188342).

86887558666 is a wasteful number, since it uses less digits than its factorization.

86887558666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606.

The product of its digits is 928972800, while the sum is 73.

The spelling of 86887558666 in words is "eighty-six billion, eight hundred eighty-seven million, five hundred fifty-eight thousand, six hundred sixty-six".