86864733552858 has 32 divisors (see below), whose sum is σ = 174055468870080. Its totient is φ = 28900594588800.

The previous prime is 86864733552833. The next prime is 86864733552859. The reversal of 86864733552858 is 85825533746868.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86864733552859) 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 15 ways as a sum of consecutive naturals, for example, 18305328 + ... + 22556916.

It is an arithmetic number, because the mean of its divisors is an integer number (5439233402190).

Almost surely, 2^{86864733552858} is an apocalyptic number.

86864733552858 is an abundant number, since it is smaller than the sum of its proper divisors (87190735317222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86864733552858 is a wasteful number, since it uses less digits than its factorization.

86864733552858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257982.

The product of its digits is 9289728000, while the sum is 78.

The spelling of 86864733552858 in words is "eighty-six trillion, eight hundred sixty-four billion, seven hundred thirty-three million, five hundred fifty-two thousand, eight hundred fifty-eight".