86217244052 has 36 divisors (see below), whose sum is σ = 152887460544. Its totient is φ = 42542027280.

The previous prime is 86217244033. The next prime is 86217244079. The reversal of 86217244052 is 25044271268.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12407243 + ... + 12414189.

It is an arithmetic number, because the mean of its divisors is an integer number (4246873904).

Almost surely, 2^86217244052 is an apocalyptic number.

It is an amenable number.

86217244052 is a deficient number, since it is larger than the sum of its proper divisors (66670216492).

86217244052 is a wasteful number, since it uses less digits than its factorization.

86217244052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436 (or 7327 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 86217244052 in words is "eighty-six billion, two hundred seventeen million, two hundred forty-four thousand, fifty-two".