86895249881 has 12 divisors (see below), whose sum is σ = 96145516992. Its totient is φ = 78472515000.

The previous prime is 86895249877. The next prime is 86895249907. The reversal of 86895249881 is 18894259868.

It is not a de Polignac number, because 86895249881 - 2² = 86895249877 is a prime.

It is a super-2 number, since 2×86895249881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86895249281) 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 11 ways as a sum of consecutive naturals, for example, 2359685 + ... + 2396226.

It is an arithmetic number, because the mean of its divisors is an integer number (8012126416).

Almost surely, 2^86895249881 is an apocalyptic number.

It is an amenable number.

86895249881 is a deficient number, since it is larger than the sum of its proper divisors (9250267111).

86895249881 is a wasteful number, since it uses less digits than its factorization.

86895249881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756084 (or 4756073 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 68.

The spelling of 86895249881 in words is "eighty-six billion, eight hundred ninety-five million, two hundred forty-nine thousand, eight hundred eighty-one".