847405455120 has 960 divisors, whose sum is σ = 3485541196800. Its totient is φ = 184072863744.

The previous prime is 847405455107. The next prime is 847405455137. The reversal of 847405455120 is 21554504748.

847405455120 is a `hidden beast` number, since 8 + 4 + 7 + 40 + 54 + 551 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1096255054 + ... + 1096255826.

It is an arithmetic number, because the mean of its divisors is an integer number (3630772080).

Almost surely, 2^847405455120 is an apocalyptic number.

847405455120 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 847405455120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742770598400).

847405455120 is an abundant number, since it is smaller than the sum of its proper divisors (2638135741680).

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

847405455120 is a wasteful number, since it uses less digits than its factorization.

847405455120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

Adding to 847405455120 its reverse (21554504748), we get a palindrome (868959959868).

The spelling of 847405455120 in words is "eight hundred forty-seven billion, four hundred five million, four hundred fifty-five thousand, one hundred twenty".