25316286767 has 4 divisors (see below), whose sum is σ = 25322861160. Its totient is φ = 25309712376.

The previous prime is 25316286761. The next prime is 25316286781. The reversal of 25316286767 is 76768261352.

It is a happy number.

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 25316286767 - 2²⁰ = 25315238191 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 (25316286761) 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, 3281417 + ... + 3289122.

It is an arithmetic number, because the mean of its divisors is an integer number (6330715290).

Almost surely, 2^25316286767 is an apocalyptic number.

25316286767 is a deficient number, since it is larger than the sum of its proper divisors (6574393).

25316286767 is an equidigital number, since it uses as much as digits as its factorization.

25316286767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574392.

The product of its digits is 5080320, while the sum is 53.

The spelling of 25316286767 in words is "twenty-five billion, three hundred sixteen million, two hundred eighty-six thousand, seven hundred sixty-seven".