86660805356 has 12 divisors (see below), whose sum is σ = 151688110560. Its totient is φ = 43321345200.

The previous prime is 86660805337. The next prime is 86660805367. The reversal of 86660805356 is 65350806668.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86660805298 and 86660805307.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2242820 + ... + 2281131.

It is an arithmetic number, because the mean of its divisors is an integer number (12640675880).

Almost surely, 2^86660805356 is an apocalyptic number.

It is an amenable number.

86660805356 is a deficient number, since it is larger than the sum of its proper divisors (65027305204).

86660805356 is a wasteful number, since it uses less digits than its factorization.

86660805356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528744 (or 4528742 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 86660805356 in words is "eighty-six billion, six hundred sixty million, eight hundred five thousand, three hundred fifty-six".