86521068898 has 8 divisors (see below), whose sum is σ = 141579930960. Its totient is φ = 39327758580.

The previous prime is 86521068889. The next prime is 86521068899. The reversal of 86521068898 is 89886012568.

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

It is not an unprimeable number, because it can be changed into a prime (86521068899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966387908 + ... + 1966387951.

It is an arithmetic number, because the mean of its divisors is an integer number (17697491370).

Almost surely, 2^86521068898 is an apocalyptic number.

86521068898 is a deficient number, since it is larger than the sum of its proper divisors (55058862062).

86521068898 is a wasteful number, since it uses less digits than its factorization.

86521068898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932775872.

The product of its (nonzero) digits is 13271040, while the sum is 61.

The spelling of 86521068898 in words is "eighty-six billion, five hundred twenty-one million, sixty-eight thousand, eight hundred ninety-eight".