86650836886520 has 16 divisors (see below), whose sum is σ = 194964382994760. Its totient is φ = 34660334754592.

The previous prime is 86650836886519. The next prime is 86650836886529. The reversal of 86650836886520 is 2568863805668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86650836886529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083135461042 + ... + 1083135461121.

Almost surely, 2^{86650836886520} is an apocalyptic number.

It is an amenable number.

86650836886520 is an abundant number, since it is smaller than the sum of its proper divisors (108313546108240).

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

86650836886520 is a wasteful number, since it uses less digits than its factorization.

86650836886520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166270922174 (or 2166270922170 counting only the distinct ones).

The product of its (nonzero) digits is 796262400, while the sum is 71.

The spelling of 86650836886520 in words is "eighty-six trillion, six hundred fifty billion, eight hundred thirty-six million, eight hundred eighty-six thousand, five hundred twenty".