25263877623 has 4 divisors (see below), whose sum is σ = 33685170168. Its totient is φ = 16842585080.

The previous prime is 25263877619. The next prime is 25263877631. The reversal of 25263877623 is 32677836252.

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 25263877623 - 2² = 25263877619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25263897623) 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, 4210646268 + ... + 4210646273.

It is an arithmetic number, because the mean of its divisors is an integer number (8421292542).

Almost surely, 2^25263877623 is an apocalyptic number.

25263877623 is a deficient number, since it is larger than the sum of its proper divisors (8421292545).

25263877623 is an equidigital number, since it uses as much as digits as its factorization.

25263877623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421292544.

The product of its digits is 5080320, while the sum is 51.

The spelling of 25263877623 in words is "twenty-five billion, two hundred sixty-three million, eight hundred seventy-seven thousand, six hundred twenty-three".