83746664738 has 8 divisors (see below), whose sum is σ = 137039996880. Its totient is φ = 38066665780.

The previous prime is 83746664737. The next prime is 83746664741.

83746664738 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (83746664737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903333268 + ... + 1903333311.

It is an arithmetic number, because the mean of its divisors is an integer number (17129999610).

Almost surely, 2^83746664738 is an apocalyptic number.

83746664738 is a deficient number, since it is larger than the sum of its proper divisors (53293332142).

83746664738 is a wasteful number, since it uses less digits than its factorization.

83746664738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806666592.

The product of its digits is 97542144, while the sum is 62.

The spelling of 83746664738 in words is "eighty-three billion, seven hundred forty-six million, six hundred sixty-four thousand, seven hundred thirty-eight".