86237783938 has 32 divisors (see below), whose sum is σ = 135461117952. Its totient is φ = 41125190400.

The previous prime is 86237783911. The next prime is 86237783939. The reversal of 86237783938 is 83938773268.

It is a self number, because there is not a number n which added to its sum of digits gives 86237783938.

It is not an unprimeable number, because it can be changed into a prime (86237783939) 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 15 ways as a sum of consecutive naturals, for example, 6651270 + ... + 6664222.

It is an arithmetic number, because the mean of its divisors is an integer number (4233159936).

Almost surely, 2^86237783938 is an apocalyptic number.

86237783938 is a deficient number, since it is larger than the sum of its proper divisors (49223334014).

86237783938 is a wasteful number, since it uses less digits than its factorization.

86237783938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530.

The product of its digits is 73156608, while the sum is 64.

The spelling of 86237783938 in words is "eighty-six billion, two hundred thirty-seven million, seven hundred eighty-three thousand, nine hundred thirty-eight".