25772928479 has 8 divisors (see below), whose sum is σ = 26169168960. Its totient is φ = 25378438176.

The previous prime is 25772928473. The next prime is 25772928481. The reversal of 25772928479 is 97482927752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25772928479 - 2⁴ = 25772928463 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 (25772928473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407852 + ... + 466785.

It is an arithmetic number, because the mean of its divisors is an integer number (3271146120).

Almost surely, 2^25772928479 is an apocalyptic number.

25772928479 is a deficient number, since it is larger than the sum of its proper divisors (396240481).

25772928479 is an equidigital number, since it uses as much as digits as its factorization.

25772928479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875089.

The product of its digits is 35562240, while the sum is 62.

The spelling of 25772928479 in words is "twenty-five billion, seven hundred seventy-two million, nine hundred twenty-eight thousand, four hundred seventy-nine".