83442939750 has 320 divisors, whose sum is σ = 243246706560. Its totient is φ = 21319200000.

The previous prime is 83442939739. The next prime is 83442939781. The reversal of 83442939750 is 5793924438.

83442939750 is a `hidden beast` number, since 8 + 344 + 293 + 9 + 7 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 88674280 + ... + 88675220.

It is an arithmetic number, because the mean of its divisors is an integer number (760145958).

Almost surely, 2^83442939750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83442939750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121623353280).

83442939750 is an abundant number, since it is smaller than the sum of its proper divisors (159803766810).

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

83442939750 is a wasteful number, since it uses less digits than its factorization.

83442939750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 83442939750 in words is "eighty-three billion, four hundred forty-two million, nine hundred thirty-nine thousand, seven hundred fifty".