7881435861133 has 4 divisors (see below), whose sum is σ = 7885013455648. Its totient is φ = 7877858266620.

The previous prime is 7881435861113. The next prime is 7881435861209. The reversal of 7881435861133 is 3311685341887.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7881435861133 - 2⁴¹ = 5682412605581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7881435861113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788793953 + ... + 1788798358.

It is an arithmetic number, because the mean of its divisors is an integer number (1971253363912).

Almost surely, 2^{7881435861133} is an apocalyptic number.

It is an amenable number.

7881435861133 is a deficient number, since it is larger than the sum of its proper divisors (3577594515).

7881435861133 is a wasteful number, since it uses less digits than its factorization.

7881435861133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577594514.

The product of its digits is 11612160, while the sum is 58.

The spelling of 7881435861133 in words is "seven trillion, eight hundred eighty-one billion, four hundred thirty-five million, eight hundred sixty-one thousand, one hundred thirty-three".