7838056129860 has 144 divisors (see below), whose sum is σ = 26897464181952. Its totient is φ = 1900134806400.

The previous prime is 7838056129847. The next prime is 7838056129861. The reversal of 7838056129860 is 689216508387.

7838056129860 is a `hidden beast` number, since 7 + 8 + 3 + 8 + 0 + 5 + 612 + 9 + 8 + 6 + 0 = 666.

It is a super-2 number, since 2×7838056129860² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7838056129861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73254211 + ... + 73361130.

It is an arithmetic number, because the mean of its divisors is an integer number (186787945708).

Almost surely, 2^{7838056129860} is an apocalyptic number.

It is an amenable number.

7838056129860 is an abundant number, since it is smaller than the sum of its proper divisors (19059408052092).

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

7838056129860 is a wasteful number, since it uses less digits than its factorization.

7838056129860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146615376 (or 146615362 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 7838056129860 in words is "seven trillion, eight hundred thirty-eight billion, fifty-six million, one hundred twenty-nine thousand, eight hundred sixty".