83788703964 has 240 divisors, whose sum is σ = 266097097728. Its totient is φ = 22443028992.

The previous prime is 83788703963. The next prime is 83788703983. The reversal of 83788703964 is 46930788738.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83788703963) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10136097 + ... + 10144359.

Almost surely, 2^83788703964 is an apocalyptic number.

83788703964 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83788703964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133048548864).

83788703964 is an abundant number, since it is smaller than the sum of its proper divisors (182308393764).

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

83788703964 is a wasteful number, since it uses less digits than its factorization.

83788703964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566 (or 8555 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 83788703964 in words is "eighty-three billion, seven hundred eighty-eight million, seven hundred three thousand, nine hundred sixty-four".