26256700699978 has 16 divisors (see below), whose sum is σ = 45553793987520. Its totient is φ = 11117294960256.

The previous prime is 26256700699927. The next prime is 26256700699997. The reversal of 26256700699978 is 87999600765262.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11298062823 + ... + 11298065146.

It is an arithmetic number, because the mean of its divisors is an integer number (2847112124220).

Almost surely, 2^{26256700699978} is an apocalyptic number.

26256700699978 is a deficient number, since it is larger than the sum of its proper divisors (19297093287542).

26256700699978 is a wasteful number, since it uses less digits than its factorization.

26256700699978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22596128061.

The product of its (nonzero) digits is 1234517760, while the sum is 76.

The spelling of 26256700699978 in words is "twenty-six trillion, two hundred fifty-six billion, seven hundred million, six hundred ninety-nine thousand, nine hundred seventy-eight".