86938233791511 has 8 divisors (see below), whose sum is σ = 115975286856064. Its totient is φ = 57930001627320.

The previous prime is 86938233791477. The next prime is 86938233791561. The reversal of 86938233791511 is 11519733283968.

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

It is not a de Polignac number, because 86938233791511 - 2⁹ = 86938233790999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86938233791561) 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, 7205218051 + ... + 7205230116.

It is an arithmetic number, because the mean of its divisors is an integer number (14496910857008).

Almost surely, 2^{86938233791511} is an apocalyptic number.

86938233791511 is a deficient number, since it is larger than the sum of its proper divisors (29037053064553).

86938233791511 is a wasteful number, since it uses less digits than its factorization.

86938233791511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410450181.

The product of its digits is 58786560, while the sum is 66.

The spelling of 86938233791511 in words is "eighty-six trillion, nine hundred thirty-eight billion, two hundred thirty-three million, seven hundred ninety-one thousand, five hundred eleven".