7881412141888 has 14 divisors (see below), whose sum is σ = 15639677219186. Its totient is φ = 3940706070912.

The previous prime is 7881412141781. The next prime is 7881412142027. The reversal of 7881412141888 is 8881412141887.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4924635599104 + 2956776542784 = 2219152^2 + 1719528^2 .

It is a super-3 number, since 3×7881412141888³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61573532295 + ... + 61573532422.

Almost surely, 2^{7881412141888} is an apocalyptic number.

It is an amenable number.

7881412141888 is a deficient number, since it is larger than the sum of its proper divisors (7758265077298).

7881412141888 is a wasteful number, since it uses less digits than its factorization.

7881412141888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123147064729 (or 123147064719 counting only the distinct ones).

The product of its digits is 7340032, while the sum is 61.

Subtracting 7881412141888 from its reverse (8881412141887), we obtain a palindrome (999999999999).

The spelling of 7881412141888 in words is "seven trillion, eight hundred eighty-one billion, four hundred twelve million, one hundred forty-one thousand, eight hundred eighty-eight".