84826673280 has 224 divisors, whose sum is σ = 304045734060. Its totient is φ = 22620321792.

The previous prime is 84826673263. The next prime is 84826673303. The reversal of 84826673280 is 8237662848.

It can be written as a sum of positive squares in 2 ways, for example, as 84653066304 + 173606976 = 290952^2 + 13176^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 375654 + ... + 557466.

Almost surely, 2^84826673280 is an apocalyptic number.

84826673280 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 84826673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152022867030).

84826673280 is an abundant number, since it is smaller than the sum of its proper divisors (219219060780).

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

84826673280 is an equidigital number, since it uses as much as digits as its factorization.

84826673280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181850 (or 181823 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 84826673280 in words is "eighty-four billion, eight hundred twenty-six million, six hundred seventy-three thousand, two hundred eighty".