80009825 has 24 divisors (see below), whose sum is σ = 114956928. Its totient is φ = 54103680.

The previous prime is 80009821. The next prime is 80009827. The reversal of 80009825 is 52890008.

It is not a de Polignac number, because 80009825 - 2² = 80009821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80009791 and 80009800.

It is not an unprimeable number, because it can be changed into a prime (80009821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9644 + ... + 15906.

It is an arithmetic number, because the mean of its divisors is an integer number (4789872).

Almost surely, 2^80009825 is an apocalyptic number.

It is an amenable number.

80009825 is a deficient number, since it is larger than the sum of its proper divisors (34947103).

80009825 is a wasteful number, since it uses less digits than its factorization.

80009825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353 (or 6348 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 80009825 is about 8944.8211273340. The cubic root of 80009825 is about 430.9045767183.

The spelling of 80009825 in words is "eighty million, nine thousand, eight hundred twenty-five".