83455337280 has 224 divisors, whose sum is σ = 305211211776. Its totient is φ = 18925111296.

The previous prime is 83455337257. The next prime is 83455337281. The reversal of 83455337280 is 8273355438.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83455337281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804547 + ... + 902333.

Almost surely, 2^83455337280 is an apocalyptic number.

83455337280 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 83455337280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152605605888).

83455337280 is an abundant number, since it is smaller than the sum of its proper divisors (221755874496).

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

83455337280 is a wasteful number, since it uses less digits than its factorization.

83455337280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97941 (or 97931 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 83455337280 in words is "eighty-three billion, four hundred fifty-five million, three hundred thirty-seven thousand, two hundred eighty".