83990098816 has 256 divisors, whose sum is σ = 202048862400. Its totient is φ = 34392637440.

The previous prime is 83990098757. The next prime is 83990098817. The reversal of 83990098816 is 61889009938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83990098817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35273946 + ... + 35276326.

Almost surely, 2^83990098816 is an apocalyptic number.

83990098816 is a gapful number since it is divisible by the number (86) 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 83990098816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101024431200).

83990098816 is an abundant number, since it is smaller than the sum of its proper divisors (118058763584).

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

83990098816 is a wasteful number, since it uses less digits than its factorization.

83990098816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 61.

The spelling of 83990098816 in words is "eighty-three billion, nine hundred ninety million, ninety-eight thousand, eight hundred sixteen".