86721906595 has 8 divisors (see below), whose sum is σ = 104265270576. Its totient is φ = 69244870176.

The previous prime is 86721906589. The next prime is 86721906611. The reversal of 86721906595 is 59560912768.

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

It is a cyclic number.

It is not a de Polignac number, because 86721906595 - 2⁵ = 86721906563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16579012 + ... + 16584241.

It is an arithmetic number, because the mean of its divisors is an integer number (13033158822).

Almost surely, 2^86721906595 is an apocalyptic number.

86721906595 is a deficient number, since it is larger than the sum of its proper divisors (17543363981).

86721906595 is a wasteful number, since it uses less digits than its factorization.

86721906595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33163781.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 86721906595 in words is "eighty-six billion, seven hundred twenty-one million, nine hundred six thousand, five hundred ninety-five".