7868378041744 has 40 divisors (see below), whose sum is σ = 16632139099968. Its totient is φ = 3576266839680.

The previous prime is 7868378041681. The next prime is 7868378041757. The reversal of 7868378041744 is 4471408738687.

It is a super-2 number, since 2×7868378041744² (a number of 27 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 7868378041744.

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, 680314 + ... + 4024870.

Almost surely, 2^{7868378041744} is an apocalyptic number.

It is an amenable number.

7868378041744 is an abundant number, since it is smaller than the sum of its proper divisors (8763761058224).

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

7868378041744 is a wasteful number, since it uses less digits than its factorization.

7868378041744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357943 (or 3357937 counting only the distinct ones).

The product of its (nonzero) digits is 202309632, while the sum is 67.

The spelling of 7868378041744 in words is "seven trillion, eight hundred sixty-eight billion, three hundred seventy-eight million, forty-one thousand, seven hundred forty-four".