235687872225764 has 72 divisors (see below), whose sum is σ = 484586589522168. Its totient is φ = 100000124313600.

The previous prime is 235687872225733. The next prime is 235687872225779. The reversal of 235687872225764 is 467522278786532.

It can be written as a sum of positive squares in 4 ways, for example, as 202017612624100 + 33670259601664 = 14213290^2 + 5802608^2 .

It is a super-2 number, since 2×235687872225764² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235687872225691 and 235687872225700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225013322 + ... + 226058334.

It is an arithmetic number, because the mean of its divisors is an integer number (6730369298919).

Almost surely, 2^{235687872225764} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235687872225764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242293294761084).

235687872225764 is an abundant number, since it is smaller than the sum of its proper divisors (248898717296404).

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

235687872225764 is a wasteful number, since it uses less digits than its factorization.

235687872225764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056525 (or 1056516 counting only the distinct ones).

The product of its digits is 3793305600, while the sum is 74.

The spelling of 235687872225764 in words is "two hundred thirty-five trillion, six hundred eighty-seven billion, eight hundred seventy-two million, two hundred twenty-five thousand, seven hundred sixty-four".