7881412141887 has 8 divisors (see below), whose sum is σ = 10508872307760. Its totient is φ = 5254113368640.

The previous prime is 7881412141781. The next prime is 7881412142027.

7881412141887 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-7881412141887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7881412141887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7881412140887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40234164 + ... + 40429577.

It is an arithmetic number, because the mean of its divisors is an integer number (1313609038470).

Almost surely, 2^{7881412141887} is an apocalyptic number.

7881412141887 is a deficient number, since it is larger than the sum of its proper divisors (2627460165873).

7881412141887 is a wasteful number, since it uses less digits than its factorization.

7881412141887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80696313.

The product of its digits is 6422528, while the sum is 60.

The spelling of 7881412141887 in words is "seven trillion, eight hundred eighty-one billion, four hundred twelve million, one hundred forty-one thousand, eight hundred eighty-seven".