25879038659066 has 8 divisors (see below), whose sum is σ = 38956702323924. Its totient is φ = 12893471217760.

The previous prime is 25879038659041. The next prime is 25879038659081. The reversal of 25879038659066 is 66095683097852.

It can be written as a sum of positive squares in 2 ways, for example, as 24803099233441 + 1075939425625 = 4980271^2 + 1037275^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25879038658984 and 25879038659002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23024055185 + ... + 23024056308.

Almost surely, 2^{25879038659066} is an apocalyptic number.

25879038659066 is a deficient number, since it is larger than the sum of its proper divisors (13077663664858).

25879038659066 is a wasteful number, since it uses less digits than its factorization.

25879038659066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46048111776.

The product of its (nonzero) digits is 1175731200, while the sum is 74.

The spelling of 25879038659066 in words is "twenty-five trillion, eight hundred seventy-nine billion, thirty-eight million, six hundred fifty-nine thousand, sixty-six".