25023822806 has 4 divisors (see below), whose sum is σ = 37535734212. Its totient is φ = 12511911402.

The previous prime is 25023822797. The next prime is 25023822823. The reversal of 25023822806 is 60822832052.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25023822806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255955700 + ... + 6255955703.

It is an arithmetic number, because the mean of its divisors is an integer number (9383933553).

Almost surely, 2^25023822806 is an apocalyptic number.

25023822806 is a deficient number, since it is larger than the sum of its proper divisors (12511911406).

25023822806 is a wasteful number, since it uses less digits than its factorization.

25023822806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511911405.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 25023822806 in words is "twenty-five billion, twenty-three million, eight hundred twenty-two thousand, eight hundred six".