83838814772 has 24 divisors (see below), whose sum is σ = 147820885632. Its totient is φ = 41605286400.

The previous prime is 83838814771. The next prime is 83838814831. The reversal of 83838814772 is 27741883838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83838814771) by changing a digit.

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, 206747 + ... + 458717.

It is an arithmetic number, because the mean of its divisors is an integer number (6159203568).

Almost surely, 2^83838814772 is an apocalyptic number.

It is an amenable number.

83838814772 is a deficient number, since it is larger than the sum of its proper divisors (63982070860).

83838814772 is a wasteful number, since it uses less digits than its factorization.

83838814772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252599 (or 252597 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 59.

The spelling of 83838814772 in words is "eighty-three billion, eight hundred thirty-eight million, eight hundred fourteen thousand, seven hundred seventy-two".