86214801523 has 4 divisors (see below), whose sum is σ = 86257975680. Its totient is φ = 86171627368.

The previous prime is 86214801511. The next prime is 86214801551. The reversal of 86214801523 is 32510841268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86214801523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86214801553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21584083 + ... + 21588076.

It is an arithmetic number, because the mean of its divisors is an integer number (21564493920).

Almost surely, 2^86214801523 is an apocalyptic number.

86214801523 is a deficient number, since it is larger than the sum of its proper divisors (43174157).

86214801523 is a wasteful number, since it uses less digits than its factorization.

86214801523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43174156.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 86214801523 in words is "eighty-six billion, two hundred fourteen million, eight hundred one thousand, five hundred twenty-three".