8425786824 has 192 divisors, whose sum is σ = 28268298240. Its totient is φ = 2207761920.

The previous prime is 8425786807. The next prime is 8425786843. The reversal of 8425786824 is 4286875248.

8425786824 is a `hidden beast` number, since 8 + 4 + 2 + 578 + 68 + 2 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1024569 + ... + 1032759.

It is an arithmetic number, because the mean of its divisors is an integer number (147230720).

Almost surely, 2^8425786824 is an apocalyptic number.

8425786824 is a gapful number since it is divisible by the number (84) 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 8425786824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14134149120).

8425786824 is an abundant number, since it is smaller than the sum of its proper divisors (19842511416).

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

8425786824 is a wasteful number, since it uses less digits than its factorization.

8425786824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380 (or 8373 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 54.

The square root of 8425786824 is about 91792.0847568024. The cubic root of 8425786824 is about 2034.8707183635.

The spelling of 8425786824 in words is "eight billion, four hundred twenty-five million, seven hundred eighty-six thousand, eight hundred twenty-four".