84254681280 has 336 divisors, whose sum is σ = 336047120640. Its totient is φ = 17507297280.

The previous prime is 84254681219. The next prime is 84254681323. The reversal of 84254681280 is 8218645248.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 761311 + ... + 864929.

It is an arithmetic number, because the mean of its divisors is an integer number (1000140240).

Almost surely, 2^84254681280 is an apocalyptic number.

84254681280 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 84254681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168023560320).

84254681280 is an abundant number, since it is smaller than the sum of its proper divisors (251792439360).

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

84254681280 is a wasteful number, since it uses less digits than its factorization.

84254681280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103668 (or 103647 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 84254681280 in words is "eighty-four billion, two hundred fifty-four million, six hundred eighty-one thousand, two hundred eighty".