86020616508 has 24 divisors (see below), whose sum is σ = 201085794000. Its totient is φ = 28620535680.

The previous prime is 86020616491. The next prime is 86020616531. The reversal of 86020616508 is 80561602068.

It is a super-2 number, since 2×86020616508² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86020616508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6618633 + ... + 6631616.

It is an arithmetic number, because the mean of its divisors is an integer number (8378574750).

Almost surely, 2^86020616508 is an apocalyptic number.

It is an amenable number.

86020616508 is an abundant number, since it is smaller than the sum of its proper divisors (115065177492).

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

86020616508 is a wasteful number, since it uses less digits than its factorization.

86020616508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13250797 (or 13250795 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 86020616508 in words is "eighty-six billion, twenty million, six hundred sixteen thousand, five hundred eight".