873315693225 has 90 divisors (see below), whose sum is σ = 1671552916110. Its totient is φ = 450742579200.

The previous prime is 873315693209. The next prime is 873315693227. The reversal of 873315693225 is 522396513378.

873315693225 is a `hidden beast` number, since 8 + 73 + 3 + 1 + 569 + 3 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11181159081 + 862134534144 = 105741^2 + 928512^2 .

It is not a de Polignac number, because 873315693225 - 2⁴ = 873315693209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (873315693227) by changing a digit.

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 89 ways as a sum of consecutive naturals, for example, 1721641 + ... + 2170409.

It is an arithmetic number, because the mean of its divisors is an integer number (18572810179).

Almost surely, 2^873315693225 is an apocalyptic number.

It is an amenable number.

873315693225 is a deficient number, since it is larger than the sum of its proper divisors (798237222885).

873315693225 is a wasteful number, since it uses less digits than its factorization.

873315693225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448853 (or 448808 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 873315693225 in words is "eight hundred seventy-three billion, three hundred fifteen million, six hundred ninety-three thousand, two hundred twenty-five".