25720750084567 has 4 divisors (see below), whose sum is σ = 26415905492296. Its totient is φ = 25025594676840.

The previous prime is 25720750084501. The next prime is 25720750084583. The reversal of 25720750084567 is 76548005702752.

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 25720750084567 - 2⁷ = 25720750084439 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 (25720750082567) 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, 347577703809 + ... + 347577703882.

It is an arithmetic number, because the mean of its divisors is an integer number (6603976373074).

Almost surely, 2^{25720750084567} is an apocalyptic number.

25720750084567 is a deficient number, since it is larger than the sum of its proper divisors (695155407729).

25720750084567 is an equidigital number, since it uses as much as digits as its factorization.

25720750084567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695155407728.

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 25720750084567 in words is "twenty-five trillion, seven hundred twenty billion, seven hundred fifty million, eighty-four thousand, five hundred sixty-seven".