84723425280 has 896 divisors, whose sum is σ = 332923530240. Its totient is φ = 20313538560.

The previous prime is 84723425273. The next prime is 84723425329. The reversal of 84723425280 is 8252432748.

84723425280 is a `hidden beast` number, since 84 + 7 + 2 + 3 + 42 + 528 + 0 = 666.

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 63 ways as a sum of consecutive naturals, for example, 1020764119 + ... + 1020764201.

It is an arithmetic number, because the mean of its divisors is an integer number (371566440).

Almost surely, 2^84723425280 is an apocalyptic number.

84723425280 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 84723425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166461765120).

84723425280 is an abundant number, since it is smaller than the sum of its proper divisors (248200104960).

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

84723425280 is a wasteful number, since it uses less digits than its factorization.

84723425280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 84723425280 in words is "eighty-four billion, seven hundred twenty-three million, four hundred twenty-five thousand, two hundred eighty".