25238386967 has 4 divisors (see below), whose sum is σ = 25238758416. Its totient is φ = 25238015520.

The previous prime is 25238386963. The next prime is 25238386973. The reversal of 25238386967 is 76968383252.

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 25238386967 - 2² = 25238386963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238386963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51443 + ... + 230484.

It is an arithmetic number, because the mean of its divisors is an integer number (6309689604).

Almost surely, 2^25238386967 is an apocalyptic number.

25238386967 is a deficient number, since it is larger than the sum of its proper divisors (371449).

25238386967 is an equidigital number, since it uses as much as digits as its factorization.

25238386967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371448.

The product of its digits is 26127360, while the sum is 59.

The spelling of 25238386967 in words is "twenty-five billion, two hundred thirty-eight million, three hundred eighty-six thousand, nine hundred sixty-seven".