25583822938 has 16 divisors (see below), whose sum is σ = 39418712064. Its totient is φ = 12444354000.

The previous prime is 25583822933. The next prime is 25583822977. The reversal of 25583822938 is 83922838552.

It is a super-2 number, since 2×25583822938² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25583822933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577063 + ... + 619813.

It is an arithmetic number, because the mean of its divisors is an integer number (2463669504).

Almost surely, 2^25583822938 is an apocalyptic number.

25583822938 is a deficient number, since it is larger than the sum of its proper divisors (13834889126).

25583822938 is a wasteful number, since it uses less digits than its factorization.

25583822938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50877.

The product of its digits is 8294400, while the sum is 55.

The spelling of 25583822938 in words is "twenty-five billion, five hundred eighty-three million, eight hundred twenty-two thousand, nine hundred thirty-eight".