83698728750 has 720 divisors, whose sum is σ = 296090720640. Its totient is φ = 16679520000.

The previous prime is 83698728733. The next prime is 83698728779. The reversal of 83698728750 is 5782789638.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 252866085 + ... + 252866415.

It is an arithmetic number, because the mean of its divisors is an integer number (411237112).

Almost surely, 2^83698728750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83698728750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148045360320).

83698728750 is an abundant number, since it is smaller than the sum of its proper divisors (212391991890).

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

83698728750 is a wasteful number, since it uses less digits than its factorization.

83698728750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 83698728750 in words is "eighty-three billion, six hundred ninety-eight million, seven hundred twenty-eight thousand, seven hundred fifty".