86663894065 has 8 divisors (see below), whose sum is σ = 118853340480. Its totient is φ = 59426670192.

The previous prime is 86663894041. The next prime is 86663894087. The reversal of 86663894065 is 56049836668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86663894065 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86663893994 and 86663894012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238055595 + ... + 1238055664.

It is an arithmetic number, because the mean of its divisors is an integer number (14856667560).

Almost surely, 2^86663894065 is an apocalyptic number.

It is an amenable number.

86663894065 is a deficient number, since it is larger than the sum of its proper divisors (32189446415).

86663894065 is a wasteful number, since it uses less digits than its factorization.

86663894065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476111271.

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 86663894065 in words is "eighty-six billion, six hundred sixty-three million, eight hundred ninety-four thousand, sixty-five".