83921835734 has 16 divisors (see below), whose sum is σ = 137418921360. Its totient is φ = 38120655360.

The previous prime is 83921835691. The next prime is 83921835743. The reversal of 83921835734 is 43753812938.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248179 + ... + 1313694.

It is an arithmetic number, because the mean of its divisors is an integer number (8588682585).

Almost surely, 2^83921835734 is an apocalyptic number.

83921835734 is a deficient number, since it is larger than the sum of its proper divisors (53497085626).

83921835734 is a wasteful number, since it uses less digits than its factorization.

83921835734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563375.

The product of its digits is 4354560, while the sum is 53.

The spelling of 83921835734 in words is "eighty-three billion, nine hundred twenty-one million, eight hundred thirty-five thousand, seven hundred thirty-four".