25670066678 has 8 divisors (see below), whose sum is σ = 38516465280. Its totient is φ = 12831244920.

The previous prime is 25670066671. The next prime is 25670066683. The reversal of 25670066678 is 87666007652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25670066671) 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, 1885733 + ... + 1899296.

It is an arithmetic number, because the mean of its divisors is an integer number (4814558160).

Almost surely, 2^25670066678 is an apocalyptic number.

25670066678 is a deficient number, since it is larger than the sum of its proper divisors (12846398602).

25670066678 is a wasteful number, since it uses less digits than its factorization.

25670066678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788422.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 25670066678 in words is "twenty-five billion, six hundred seventy million, sixty-six thousand, six hundred seventy-eight".