83331881738 has 16 divisors (see below), whose sum is σ = 142867825920. Its totient is φ = 35710370736.

The previous prime is 83331881729. The next prime is 83331881833. The reversal of 83331881738 is 83718813338.

It is a self number, because there is not a number n which added to its sum of digits gives 83331881738.

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, 113906 + ... + 423837.

It is an arithmetic number, because the mean of its divisors is an integer number (8929239120).

Almost surely, 2^83331881738 is an apocalyptic number.

83331881738 is a deficient number, since it is larger than the sum of its proper divisors (59535944182).

83331881738 is a wasteful number, since it uses less digits than its factorization.

83331881738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548821.

The product of its digits is 2322432, while the sum is 53.

The spelling of 83331881738 in words is "eighty-three billion, three hundred thirty-one million, eight hundred eighty-one thousand, seven hundred thirty-eight".