86242060821 has 8 divisors (see below), whose sum is σ = 131416473664. Its totient is φ = 49281177600.

The previous prime is 86242060819. The next prime is 86242060829. The reversal of 86242060821 is 12806024268.

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

It is not a de Polignac number, because 86242060821 - 2¹ = 86242060819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86242060821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86242060829) 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, 2053382380 + ... + 2053382421.

It is an arithmetic number, because the mean of its divisors is an integer number (16427059208).

Almost surely, 2^86242060821 is an apocalyptic number.

It is an amenable number.

86242060821 is a deficient number, since it is larger than the sum of its proper divisors (45174412843).

86242060821 is a wasteful number, since it uses less digits than its factorization.

86242060821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106764811.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 86242060821 in words is "eighty-six billion, two hundred forty-two million, sixty thousand, eight hundred twenty-one".