86849894868 has 24 divisors (see below), whose sum is σ = 221072460000. Its totient is φ = 26318149920.

The previous prime is 86849894867. The next prime is 86849894891.

86849894868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86849894793 and 86849894802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86849894867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328976743 + ... + 328977006.

It is an arithmetic number, because the mean of its divisors is an integer number (9211352500).

Almost surely, 2^86849894868 is an apocalyptic number.

It is an amenable number.

86849894868 is an abundant number, since it is smaller than the sum of its proper divisors (134222565132).

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

86849894868 is a wasteful number, since it uses less digits than its factorization.

86849894868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657953767 (or 657953765 counting only the distinct ones).

The product of its digits is 1528823808, while the sum is 78.

The spelling of 86849894868 in words is "eighty-six billion, eight hundred forty-nine million, eight hundred ninety-four thousand, eight hundred sixty-eight".