86285616621 has 16 divisors (see below), whose sum is σ = 117856791360. Its totient is φ = 56122133760.

The previous prime is 86285616611. The next prime is 86285616623. The reversal of 86285616621 is 12661658268.

It is not a de Polignac number, because 86285616621 - 2¹³ = 86285608429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86285616623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265966 + ... + 493263.

It is an arithmetic number, because the mean of its divisors is an integer number (7366049460).

Almost surely, 2^86285616621 is an apocalyptic number.

It is an amenable number.

86285616621 is a deficient number, since it is larger than the sum of its proper divisors (31571174739).

86285616621 is a wasteful number, since it uses less digits than its factorization.

86285616621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760156.

The product of its digits is 1658880, while the sum is 51.

The spelling of 86285616621 in words is "eighty-six billion, two hundred eighty-five million, six hundred sixteen thousand, six hundred twenty-one".