25783998793 has 12 divisors (see below), whose sum is σ = 30631796352. Its totient is φ = 21630343560.

The previous prime is 25783998791. The next prime is 25783998829. The reversal of 25783998793 is 39789938752.

It is not a de Polignac number, because 25783998793 - 2¹ = 25783998791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25783998791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5595613 + ... + 5600218.

It is an arithmetic number, because the mean of its divisors is an integer number (2552649696).

Almost surely, 2^25783998793 is an apocalyptic number.

It is an amenable number.

25783998793 is a deficient number, since it is larger than the sum of its proper divisors (4847797559).

25783998793 is a wasteful number, since it uses less digits than its factorization.

25783998793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195892 (or 11195885 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 70.

The spelling of 25783998793 in words is "twenty-five billion, seven hundred eighty-three million, nine hundred ninety-eight thousand, seven hundred ninety-three".