83998530000 has 2400 divisors, whose sum is σ = 417696694272. Its totient is φ = 15206400000.

The previous prime is 83998529933. The next prime is 83998530013. The reversal of 83998530000 is 3589938.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 2709629985 + ... + 2709630015.

Almost surely, 2^83998530000 is an apocalyptic number.

83998530000 is a gapful number since it is divisible by the number (80) 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 83998530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208848347136).

83998530000 is an abundant number, since it is smaller than the sum of its proper divisors (333698164272).

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

83998530000 is a wasteful number, since it uses less digits than its factorization.

83998530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 83998530000 in words is "eighty-three billion, nine hundred ninety-eight million, five hundred thirty thousand".