86544018897 has 96 divisors (see below), whose sum is σ = 148204078080. Its totient is φ = 43873643520.

The previous prime is 86544018893. The next prime is 86544018937. The reversal of 86544018897 is 79881044568.

It is not a de Polignac number, because 86544018897 - 2² = 86544018893 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86544018897.

It is not an unprimeable number, because it can be changed into a prime (86544018893) 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 95 ways as a sum of consecutive naturals, for example, 24328843 + ... + 24332399.

It is an arithmetic number, because the mean of its divisors is an integer number (1543792480).

Almost surely, 2^86544018897 is an apocalyptic number.

It is an amenable number.

86544018897 is a deficient number, since it is larger than the sum of its proper divisors (61660059183).

86544018897 is a wasteful number, since it uses less digits than its factorization.

86544018897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3814 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 86544018897 in words is "eighty-six billion, five hundred forty-four million, eighteen thousand, eight hundred ninety-seven".