84825801 has 12 divisors (see below), whose sum is σ = 129733812. Its totient is φ = 53223936.

The previous prime is 84825791. The next prime is 84825809. The reversal of 84825801 is 10852848.

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 62015625 = 4776^2 + 7875^2 .

It is not a de Polignac number, because 84825801 - 2⁶ = 84825737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84825809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277056 + ... + 277361.

It is an arithmetic number, because the mean of its divisors is an integer number (10811151).

Almost surely, 2^84825801 is an apocalyptic number.

It is an amenable number.

84825801 is a deficient number, since it is larger than the sum of its proper divisors (44908011).

84825801 is a wasteful number, since it uses less digits than its factorization.

84825801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554440 (or 554437 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 84825801 is about 9210.0923448139. The cubic root of 84825801 is about 439.3823997035.

The spelling of 84825801 in words is "eighty-four million, eight hundred twenty-five thousand, eight hundred one".