86547841236505 has 8 divisors (see below), whose sum is σ = 113298992164224. Its totient is φ = 62943884535600.

The previous prime is 86547841236457. The next prime is 86547841236583. The reversal of 86547841236505 is 50563214874568.

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

It is not a de Polignac number, because 86547841236505 - 2²³ = 86547832847897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786798556641 + ... + 786798556750.

It is an arithmetic number, because the mean of its divisors is an integer number (14162374020528).

Almost surely, 2^{86547841236505} is an apocalyptic number.

It is an amenable number.

86547841236505 is a deficient number, since it is larger than the sum of its proper divisors (26751150927719).

86547841236505 is a wasteful number, since it uses less digits than its factorization.

86547841236505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573597113407.

The product of its (nonzero) digits is 193536000, while the sum is 64.

The spelling of 86547841236505 in words is "eighty-six trillion, five hundred forty-seven billion, eight hundred forty-one million, two hundred thirty-six thousand, five hundred five".