25923786783 has 4 divisors (see below), whose sum is σ = 34565049048. Its totient is φ = 17282524520.

The previous prime is 25923786743. The next prime is 25923786793. The reversal of 25923786783 is 38768732952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25923786783 - 2¹⁰ = 25923785759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25923786743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4320631128 + ... + 4320631133.

It is an arithmetic number, because the mean of its divisors is an integer number (8641262262).

Almost surely, 2^25923786783 is an apocalyptic number.

25923786783 is a deficient number, since it is larger than the sum of its proper divisors (8641262265).

25923786783 is an equidigital number, since it uses as much as digits as its factorization.

25923786783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641262264.

The product of its digits is 30481920, while the sum is 60.

The spelling of 25923786783 in words is "twenty-five billion, nine hundred twenty-three million, seven hundred eighty-six thousand, seven hundred eighty-three".