25786876930 has 8 divisors (see below), whose sum is σ = 46416378492. Its totient is φ = 10314750768.

The previous prime is 25786876889. The next prime is 25786876939. The reversal of 25786876930 is 3967868752.

It can be written as a sum of positive squares in 2 ways, for example, as 25786257561 + 619369 = 160581^2 + 787^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25786876939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289343837 + ... + 1289343856.

Almost surely, 2^25786876930 is an apocalyptic number.

25786876930 is a deficient number, since it is larger than the sum of its proper divisors (20629501562).

25786876930 is a wasteful number, since it uses less digits than its factorization.

25786876930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578687700.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 25786876930 in words is "twenty-five billion, seven hundred eighty-six million, eight hundred seventy-six thousand, nine hundred thirty".