80085625 has 20 divisors (see below), whose sum is σ = 101183236. Its totient is φ = 63360000.

The previous prime is 80085613. The next prime is 80085631. The reversal of 80085625 is 52658008.

It can be written as a sum of positive squares in 10 ways, for example, as 44408896 + 35676729 = 6664^2 + 5973^2 .

It is a de Polignac number, because none of the positive numbers 2^k-80085625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59965 + ... + 61285.

Almost surely, 2^80085625 is an apocalyptic number.

It is an amenable number.

80085625 is a deficient number, since it is larger than the sum of its proper divisors (21097611).

80085625 is an equidigital number, since it uses as much as digits as its factorization.

80085625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 80085625 is about 8949.0572129135. The cubic root of 80085625 is about 431.0406110853.

The spelling of 80085625 in words is "eighty million, eighty-five thousand, six hundred twenty-five".