86252440685 has 8 divisors (see below), whose sum is σ = 103773173760. Its totient is φ = 68821789264.

The previous prime is 86252440663. The next prime is 86252440693. The reversal of 86252440685 is 58604425268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86252440685 - 2¹⁸ = 86252178541 is a prime.

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, 22518305 + ... + 22522134.

It is an arithmetic number, because the mean of its divisors is an integer number (12971646720).

Almost surely, 2^86252440685 is an apocalyptic number.

It is an amenable number.

86252440685 is a deficient number, since it is larger than the sum of its proper divisors (17520733075).

86252440685 is a wasteful number, since it uses less digits than its factorization.

86252440685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45040827.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 86252440685 in words is "eighty-six billion, two hundred fifty-two million, four hundred forty thousand, six hundred eighty-five".