86121759459 has 8 divisors (see below), whose sum is σ = 115305482512. Its totient is φ = 57176271360.

The previous prime is 86121759419. The next prime is 86121759473. The reversal of 86121759459 is 95495712168.

It is a happy number.

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

It is not a de Polignac number, because 86121759459 - 2⁸ = 86121759203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86121759399 and 86121759408.

It is not an unprimeable number, because it can be changed into a prime (86121759419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59557894 + ... + 59559339.

It is an arithmetic number, because the mean of its divisors is an integer number (14413185314).

Almost surely, 2^86121759459 is an apocalyptic number.

86121759459 is a deficient number, since it is larger than the sum of its proper divisors (29183723053).

86121759459 is a wasteful number, since it uses less digits than its factorization.

86121759459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119117477.

The product of its digits is 5443200, while the sum is 57.

The spelling of 86121759459 in words is "eighty-six billion, one hundred twenty-one million, seven hundred fifty-nine thousand, four hundred fifty-nine".