86663306890 has 32 divisors (see below), whose sum is σ = 157499717760. Its totient is φ = 34331010624.

The previous prime is 86663306801. The next prime is 86663306893. The reversal of 86663306890 is 9860336668.

It is a super-2 number, since 2×86663306890² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86663306893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427147 + ... + 2462593.

It is an arithmetic number, because the mean of its divisors is an integer number (4921866180).

Almost surely, 2^86663306890 is an apocalyptic number.

86663306890 is a deficient number, since it is larger than the sum of its proper divisors (70836410870).

86663306890 is a wasteful number, since it uses less digits than its factorization.

86663306890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37806.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 86663306890 in words is "eighty-six billion, six hundred sixty-three million, three hundred six thousand, eight hundred ninety".