86515884718 has 12 divisors (see below), whose sum is σ = 131071469040. Its totient is φ = 42829635800.

The previous prime is 86515884709. The next prime is 86515884727. The reversal of 86515884718 is 81748851568.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86515884709) and next prime (86515884727).

It is a super-3 number, since 3×86515884718³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2099878 + ... + 2140681.

It is an arithmetic number, because the mean of its divisors is an integer number (10922622420).

Almost surely, 2^86515884718 is an apocalyptic number.

86515884718 is a deficient number, since it is larger than the sum of its proper divisors (44555584322).

86515884718 is a wasteful number, since it uses less digits than its factorization.

86515884718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240763 (or 4240662 counting only the distinct ones).

The product of its digits is 17203200, while the sum is 61.

The spelling of 86515884718 in words is "eighty-six billion, five hundred fifteen million, eight hundred eighty-four thousand, seven hundred eighteen".