86660383578 has 16 divisors (see below), whose sum is σ = 173410454496. Its totient is φ = 28871846640.

The previous prime is 86660383553. The next prime is 86660383609. The reversal of 86660383578 is 87538306668.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724408 + ... + 3747603.

It is an arithmetic number, because the mean of its divisors is an integer number (10838153406).

Almost surely, 2^86660383578 is an apocalyptic number.

86660383578 is an abundant number, since it is smaller than the sum of its proper divisors (86750070918).

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

86660383578 is a wasteful number, since it uses less digits than its factorization.

86660383578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473949.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 86660383578 in words is "eighty-six billion, six hundred sixty million, three hundred eighty-three thousand, five hundred seventy-eight".