86331101729 has 4 divisors (see below), whose sum is σ = 86412317376. Its totient is φ = 86249886084.

The previous prime is 86331101723. The next prime is 86331101741. The reversal of 86331101729 is 92710113368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86331101729 - 2²⁴ = 86314324513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86331101723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40606229 + ... + 40608354.

It is an arithmetic number, because the mean of its divisors is an integer number (21603079344).

Almost surely, 2^86331101729 is an apocalyptic number.

It is an amenable number.

86331101729 is a deficient number, since it is larger than the sum of its proper divisors (81215647).

86331101729 is a wasteful number, since it uses less digits than its factorization.

86331101729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81215646.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 86331101729 in words is "eighty-six billion, three hundred thirty-one million, one hundred one thousand, seven hundred twenty-nine".