8525984420 has 12 divisors (see below), whose sum is σ = 17904567324. Its totient is φ = 3410393760.

The previous prime is 8525984371. The next prime is 8525984429. The reversal of 8525984420 is 244895258.

It can be written as a sum of positive squares in 2 ways, for example, as 3088691776 + 5437292644 = 55576^2 + 73738^2 .

It is not an unprimeable number, because it can be changed into a prime (8525984429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213149591 + ... + 213149630.

It is an arithmetic number, because the mean of its divisors is an integer number (1492047277).

Almost surely, 2^8525984420 is an apocalyptic number.

It is an amenable number.

8525984420 is an abundant number, since it is smaller than the sum of its proper divisors (9378582904).

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

8525984420 is a wasteful number, since it uses less digits than its factorization.

8525984420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426299230 (or 426299228 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 8525984420 is about 92336.2573423896. The cubic root of 8525984420 is about 2042.9050323194.

The spelling of 8525984420 in words is "eight billion, five hundred twenty-five million, nine hundred eighty-four thousand, four hundred twenty".