1005747385868 has 24 divisors (see below), whose sum is σ = 1765825382160. Its totient is φ = 501228385280.

The previous prime is 1005747385859. The next prime is 1005747385873. The reversal of 1005747385868 is 8685837475001.

1005747385868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1005747385868² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005747385868.

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, 1272380 + ... + 1905372.

It is an arithmetic number, because the mean of its divisors is an integer number (73576057590).

Almost surely, 2^{1005747385868} is an apocalyptic number.

It is an amenable number.

1005747385868 is a deficient number, since it is larger than the sum of its proper divisors (760077996292).

1005747385868 is a wasteful number, since it uses less digits than its factorization.

1005747385868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634297 (or 634295 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 62.

The spelling of 1005747385868 in words is "one trillion, five billion, seven hundred forty-seven million, three hundred eighty-five thousand, eight hundred sixty-eight".