7745893911 has 12 divisors (see below), whose sum is σ = 12786872592. Its totient is φ = 4426225056.

The previous prime is 7745893879. The next prime is 7745893921. The reversal of 7745893911 is 1193985477.

It is a happy number.

It is not a de Polignac number, because 7745893911 - 2⁵ = 7745893879 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7745893921) 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 11 ways as a sum of consecutive naturals, for example, 61475286 + ... + 61475411.

It is an arithmetic number, because the mean of its divisors is an integer number (1065572716).

Almost surely, 2^7745893911 is an apocalyptic number.

7745893911 is a deficient number, since it is larger than the sum of its proper divisors (5040978681).

7745893911 is a wasteful number, since it uses less digits than its factorization.

7745893911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122950710 (or 122950707 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 7745893911 is about 88010.7602001028. The cubic root of 7745893911 is about 1978.5962494391.

The spelling of 7745893911 in words is "seven billion, seven hundred forty-five million, eight hundred ninety-three thousand, nine hundred eleven".