86518713052 has 24 divisors (see below), whose sum is σ = 155665349280. Its totient is φ = 42045387840.

The previous prime is 86518713011. The next prime is 86518713059. The reversal of 86518713052 is 25031781568.

It is a junction number, because it is equal to n+sod(n) for n = 86518712993 and 86518713011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86518713059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171352 + ... + 449887.

It is an arithmetic number, because the mean of its divisors is an integer number (6486056220).

Almost surely, 2^86518713052 is an apocalyptic number.

It is an amenable number.

86518713052 is a deficient number, since it is larger than the sum of its proper divisors (69146636228).

86518713052 is a wasteful number, since it uses less digits than its factorization.

86518713052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622221 (or 622219 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 86518713052 in words is "eighty-six billion, five hundred eighteen million, seven hundred thirteen thousand, fifty-two".