25676771336 has 8 divisors (see below), whose sum is σ = 48143946270. Its totient is φ = 12838385664.

The previous prime is 25676771327. The next prime is 25676771339. The reversal of 25676771336 is 63317767652.

It can be written as a sum of positive squares in only one way, i.e., 23295916900 + 2380854436 = 152630^2 + 48794^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25676771339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604798201 + ... + 1604798216.

Almost surely, 2^25676771336 is an apocalyptic number.

It is an amenable number.

25676771336 is a deficient number, since it is larger than the sum of its proper divisors (22467174934).

25676771336 is a wasteful number, since it uses less digits than its factorization.

25676771336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209596423 (or 3209596419 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 53.

The spelling of 25676771336 in words is "twenty-five billion, six hundred seventy-six million, seven hundred seventy-one thousand, three hundred thirty-six".