25755325077 has 4 divisors (see below), whose sum is σ = 34340433440. Its totient is φ = 17170216716.

The previous prime is 25755325051. The next prime is 25755325097. The reversal of 25755325077 is 77052355752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25755325077 - 2¹¹ = 25755323029 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 (25755325097) 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 3 ways as a sum of consecutive naturals, for example, 4292554177 + ... + 4292554182.

It is an arithmetic number, because the mean of its divisors is an integer number (8585108360).

Almost surely, 2^25755325077 is an apocalyptic number.

It is an amenable number.

25755325077 is a deficient number, since it is larger than the sum of its proper divisors (8585108363).

25755325077 is an equidigital number, since it uses as much as digits as its factorization.

25755325077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585108362.

The product of its (nonzero) digits is 2572500, while the sum is 48.

The spelling of 25755325077 in words is "twenty-five billion, seven hundred fifty-five million, three hundred twenty-five thousand, seventy-seven".