9745894562678 has 8 divisors (see below), whose sum is σ = 14755466534472. Its totient is φ = 4827405717856.

The previous prime is 9745894562629. The next prime is 9745894562683. The reversal of 9745894562678 is 8762654985479.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22770781475 + ... + 22770781902.

It is an arithmetic number, because the mean of its divisors is an integer number (1844433316809).

Almost surely, 2^{9745894562678} is an apocalyptic number.

9745894562678 is a deficient number, since it is larger than the sum of its proper divisors (5009571971794).

9745894562678 is a wasteful number, since it uses less digits than its factorization.

9745894562678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45541563486.

The product of its digits is 7315660800, while the sum is 80.

The spelling of 9745894562678 in words is "nine trillion, seven hundred forty-five billion, eight hundred ninety-four million, five hundred sixty-two thousand, six hundred seventy-eight".