25752623578 has 16 divisors (see below), whose sum is σ = 43972860096. Its totient is φ = 11196792640.

The previous prime is 25752623573. The next prime is 25752623593. The reversal of 25752623578 is 87532625752.

It is not an unprimeable number, because it can be changed into a prime (25752623573) 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, 25446751 + ... + 25447762.

It is an arithmetic number, because the mean of its divisors is an integer number (2748303756).

Almost surely, 2^25752623578 is an apocalyptic number.

25752623578 is a deficient number, since it is larger than the sum of its proper divisors (18220236518).

25752623578 is a wasteful number, since it uses less digits than its factorization.

25752623578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50894549.

The product of its digits is 7056000, while the sum is 52.

The spelling of 25752623578 in words is "twenty-five billion, seven hundred fifty-two million, six hundred twenty-three thousand, five hundred seventy-eight".