9678746111 has 2 divisors, whose sum is σ = 9678746112. Its totient is φ = 9678746110.

The previous prime is 9678746107. The next prime is 9678746123. The reversal of 9678746111 is 1116478769.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9678746111 - 2² = 9678746107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9678746111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9678746101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839373055 + 4839373056.

It is an arithmetic number, because the mean of its divisors is an integer number (4839373056).

Almost surely, 2^9678746111 is an apocalyptic number.

9678746111 is a deficient number, since it is larger than the sum of its proper divisors (1).

9678746111 is an equidigital number, since it uses as much as digits as its factorization.

9678746111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 50.

The square root of 9678746111 is about 98380.6185739854. The cubic root of 9678746111 is about 2131.1124484217.

The spelling of 9678746111 in words is "nine billion, six hundred seventy-eight million, seven hundred forty-six thousand, one hundred eleven".