223764789625 has 32 divisors (see below), whose sum is σ = 301826187936. Its totient is φ = 164644819200.

The previous prime is 223764789617. The next prime is 223764789653. The reversal of 223764789625 is 526987467322.

It can be written as a sum of positive squares in 16 ways, for example, as 216667906576 + 7096883049 = 465476^2 + 84243^2 .

It is not a de Polignac number, because 223764789625 - 2³ = 223764789617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201567 + ... + 698683.

It is an arithmetic number, because the mean of its divisors is an integer number (9432068373).

Almost surely, 2^223764789625 is an apocalyptic number.

223764789625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223764789625 is a deficient number, since it is larger than the sum of its proper divisors (78061398311).

223764789625 is a wasteful number, since it uses less digits than its factorization.

223764789625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497422 (or 497412 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 61.

The spelling of 223764789625 in words is "two hundred twenty-three billion, seven hundred sixty-four million, seven hundred eighty-nine thousand, six hundred twenty-five".