86868867481 has 8 divisors (see below), whose sum is σ = 98033832000. Its totient is φ = 76248535440.

The previous prime is 86868867457. The next prime is 86868867541. The reversal of 86868867481 is 18476886868.

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

It is a de Polignac number, because none of the positive numbers 2^k-86868867481 is a prime.

It is a super-2 number, since 2×86868867481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86868867481.

It is not an unprimeable number, because it can be changed into a prime (86868867401) 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 7 ways as a sum of consecutive naturals, for example, 136157781 + ... + 136158418.

It is an arithmetic number, because the mean of its divisors is an integer number (12254229000).

Almost surely, 2^86868867481 is an apocalyptic number.

It is an amenable number.

86868867481 is a deficient number, since it is larger than the sum of its proper divisors (11164964519).

86868867481 is a wasteful number, since it uses less digits than its factorization.

86868867481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272316239.

The product of its digits is 198180864, while the sum is 70.

The spelling of 86868867481 in words is "eighty-six billion, eight hundred sixty-eight million, eight hundred sixty-seven thousand, four hundred eighty-one".