82385801225 has 24 divisors (see below), whose sum is σ = 125733410880. Its totient is φ = 52147494720.

The previous prime is 82385801209. The next prime is 82385801243. The reversal of 82385801225 is 52210858328.

It is not a de Polignac number, because 82385801225 - 2⁴ = 82385801209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18104495 + ... + 18109044.

It is an arithmetic number, because the mean of its divisors is an integer number (5238892120).

Almost surely, 2^82385801225 is an apocalyptic number.

It is an amenable number.

82385801225 is a deficient number, since it is larger than the sum of its proper divisors (43347609655).

82385801225 is a wasteful number, since it uses less digits than its factorization.

82385801225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36213569 (or 36213564 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 82385801225 in words is "eighty-two billion, three hundred eighty-five million, eight hundred one thousand, two hundred twenty-five".