25776071752 has 8 divisors (see below), whose sum is σ = 48330134550. Its totient is φ = 12888035872.

The previous prime is 25776071701. The next prime is 25776071753. The reversal of 25776071752 is 25717067752.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21224410596 + 4551661156 = 145686^2 + 67466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25776071696 and 25776071705.

It is not an unprimeable number, because it can be changed into a prime (25776071753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611004477 + ... + 1611004492.

Almost surely, 2^25776071752 is an apocalyptic number.

It is an amenable number.

25776071752 is a deficient number, since it is larger than the sum of its proper divisors (22554062798).

25776071752 is a wasteful number, since it uses less digits than its factorization.

25776071752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222008975 (or 3222008971 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 25776071752 in words is "twenty-five billion, seven hundred seventy-six million, seventy-one thousand, seven hundred fifty-two".