86724394858 has 8 divisors (see below), whose sum is σ = 130088095200. Its totient is φ = 43361696460.

The previous prime is 86724394837. The next prime is 86724394859. The reversal of 86724394858 is 85849342768.

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

It is a super-2 number, since 2×86724394858² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86724394858.

It is not an unprimeable number, because it can be changed into a prime (86724394859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27693 + ... + 417391.

It is an arithmetic number, because the mean of its divisors is an integer number (16261011900).

Almost surely, 2^86724394858 is an apocalyptic number.

86724394858 is a deficient number, since it is larger than the sum of its proper divisors (43363700342).

86724394858 is a wasteful number, since it uses less digits than its factorization.

86724394858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500972.

The product of its digits is 92897280, while the sum is 64.

The spelling of 86724394858 in words is "eighty-six billion, seven hundred twenty-four million, three hundred ninety-four thousand, eight hundred fifty-eight".