1074394066887 has 12 divisors (see below), whose sum is σ = 1556957602200. Its totient is φ = 713929606128.

The previous prime is 1074394066861. The next prime is 1074394066909. The reversal of 1074394066887 is 7886604934701.

1074394066887 is a `hidden beast` number, since 107 + 4 + 394 + 0 + 6 + 68 + 87 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1074394066887 is a prime.

It is a super-2 number, since 2×1074394066887² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074394066687) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 194422512 + ... + 194428037.

It is an arithmetic number, because the mean of its divisors is an integer number (129746466850).

Almost surely, 2^{1074394066887} is an apocalyptic number.

1074394066887 is a deficient number, since it is larger than the sum of its proper divisors (482563535313).

1074394066887 is a wasteful number, since it uses less digits than its factorization.

1074394066887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388850862 (or 388850859 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 1074394066887 in words is "one trillion, seventy-four billion, three hundred ninety-four million, sixty-six thousand, eight hundred eighty-seven".