873447825 has 12 divisors (see below), whose sum is σ = 1444100528. Its totient is φ = 465838800.

The previous prime is 873447823. The next prime is 873447829. The reversal of 873447825 is 528744378.

It is not a de Polignac number, because 873447825 - 2¹ = 873447823 is a prime.

It is a super-2 number, since 2×873447825² = 1525822205994461250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873447823) 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, 5822911 + ... + 5823060.

Almost surely, 2^873447825 is an apocalyptic number.

It is an amenable number.

873447825 is a deficient number, since it is larger than the sum of its proper divisors (570652703).

873447825 is a wasteful number, since it uses less digits than its factorization.

873447825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645984 (or 11645979 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 873447825 is about 29554.1507237139. The cubic root of 873447825 is about 955.8996939776.

The spelling of 873447825 in words is "eight hundred seventy-three million, four hundred forty-seven thousand, eight hundred twenty-five".