84327447798 has 24 divisors (see below), whose sum is σ = 199319422536. Its totient is φ = 25553772000.

The previous prime is 84327447773. The next prime is 84327447803. The reversal of 84327447798 is 89774472348.

84327447798 is a `hidden beast` number, since 8 + 4 + 3 + 2 + 74 + 477 + 98 = 666.

It is a super-2 number, since 2×84327447798² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212947903 + ... + 212948298.

It is an arithmetic number, because the mean of its divisors is an integer number (8304975939).

Almost surely, 2^84327447798 is an apocalyptic number.

84327447798 is an abundant number, since it is smaller than the sum of its proper divisors (114991974738).

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

84327447798 is a wasteful number, since it uses less digits than its factorization.

84327447798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425896220 (or 425896217 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 84327447798 in words is "eighty-four billion, three hundred twenty-seven million, four hundred forty-seven thousand, seven hundred ninety-eight".