25783060267 has 4 divisors (see below), whose sum is σ = 25783457616. Its totient is φ = 25782662920.

The previous prime is 25783060253. The next prime is 25783060291. The reversal of 25783060267 is 76206038752.

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 25783060267 - 2⁷ = 25783060139 is a prime.

It is a super-2 number, since 2×25783060267² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25783060867) 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, 76159 + ... + 239512.

It is an arithmetic number, because the mean of its divisors is an integer number (6445864404).

Almost surely, 2^25783060267 is an apocalyptic number.

25783060267 is a deficient number, since it is larger than the sum of its proper divisors (397349).

25783060267 is an equidigital number, since it uses as much as digits as its factorization.

25783060267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397348.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 25783060267 in words is "twenty-five billion, seven hundred eighty-three million, sixty thousand, two hundred sixty-seven".