83338877790 has 96 divisors (see below), whose sum is σ = 248481245376. Its totient is φ = 18983831040.

The previous prime is 83338877789. The next prime is 83338877873. The reversal of 83338877790 is 9777883338.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41151 + ... + 410330.

It is an arithmetic number, because the mean of its divisors is an integer number (2588346306).

Almost surely, 2^83338877790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83338877790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124240622688).

83338877790 is an abundant number, since it is smaller than the sum of its proper divisors (165142367586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83338877790 is a wasteful number, since it uses less digits than its factorization.

83338877790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451794 (or 451791 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 83338877790 in words is "eighty-three billion, three hundred thirty-eight million, eight hundred seventy-seven thousand, seven hundred ninety".