84019373280 has 192 divisors, whose sum is σ = 300325294080. Its totient is φ = 21928407552.

The previous prime is 84019373257. The next prime is 84019373293. The reversal of 84019373280 is 8237391048.

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 31 ways as a sum of consecutive naturals, for example, 3864 + ... + 409943.

It is an arithmetic number, because the mean of its divisors is an integer number (1564194240).

Almost surely, 2^84019373280 is an apocalyptic number.

84019373280 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 84019373280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150162647040).

84019373280 is an abundant number, since it is smaller than the sum of its proper divisors (216305920800).

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

84019373280 is a wasteful number, since it uses less digits than its factorization.

84019373280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413878 (or 413864 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 84019373280 in words is "eighty-four billion, nineteen million, three hundred seventy-three thousand, two hundred eighty".