809228630925 has 432 divisors, whose sum is σ = 1873323641280. Its totient is φ = 343033574400.

The previous prime is 809228630893. The next prime is 809228630957. The reversal of 809228630925 is 529036822908.

It is an interprime number because it is at equal distance from previous prime (809228630893) and next prime (809228630957).

It is not a de Polignac number, because 809228630925 - 2⁵ = 809228630893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 181561297 + ... + 181565753.

Almost surely, 2^809228630925 is an apocalyptic number.

It is an amenable number.

809228630925 is an abundant number, since it is smaller than the sum of its proper divisors (1064095010355).

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

809228630925 is a wasteful number, since it uses less digits than its factorization.

809228630925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536 (or 4508 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 809228630925 in words is "eight hundred nine billion, two hundred twenty-eight million, six hundred thirty thousand, nine hundred twenty-five".