7745801868 has 72 divisors (see below), whose sum is σ = 23693054112. Its totient is φ = 2082903552.

The previous prime is 7745801813. The next prime is 7745801879. The reversal of 7745801868 is 8681085477.

It is a happy number.

7745801868 is a `hidden beast` number, since 7 + 7 + 458 + 0 + 186 + 8 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 899755 + ... + 908322.

It is an arithmetic number, because the mean of its divisors is an integer number (329070196).

Almost surely, 2^7745801868 is an apocalyptic number.

It is an amenable number.

7745801868 is an abundant number, since it is smaller than the sum of its proper divisors (15947252244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7745801868 is a wasteful number, since it uses less digits than its factorization.

7745801868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808111 (or 1808106 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 7745801868 is about 88010.2372908970. The cubic root of 7745801868 is about 1978.5884123124.

The spelling of 7745801868 in words is "seven billion, seven hundred forty-five million, eight hundred one thousand, eight hundred sixty-eight".