86121759408 has 40 divisors (see below), whose sum is σ = 223452774000. Its totient is φ = 28581890304.

The previous prime is 86121759407. The next prime is 86121759413. The reversal of 86121759408 is 80495712168.

It is not an unprimeable number, because it can be changed into a prime (86121759407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3906483 + ... + 3928466.

It is an arithmetic number, because the mean of its divisors is an integer number (5586319350).

Almost surely, 2^86121759408 is an apocalyptic number.

It is an amenable number.

86121759408 is an abundant number, since it is smaller than the sum of its proper divisors (137331014592).

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

86121759408 is a wasteful number, since it uses less digits than its factorization.

86121759408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835189 (or 7835183 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 86121759408 in words is "eighty-six billion, one hundred twenty-one million, seven hundred fifty-nine thousand, four hundred eight".