888781082113 has 4 divisors (see below), whose sum is σ = 909450409648. Its totient is φ = 868111754580.

The previous prime is 888781082093. The next prime is 888781082117. The reversal of 888781082113 is 311280187888.

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 a de Polignac number, because none of the positive numbers 2^k-888781082113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (888781082117) 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, 10334663703 + ... + 10334663788.

It is an arithmetic number, because the mean of its divisors is an integer number (227362602412).

Almost surely, 2^888781082113 is an apocalyptic number.

It is an amenable number.

888781082113 is a deficient number, since it is larger than the sum of its proper divisors (20669327535).

888781082113 is a wasteful number, since it uses less digits than its factorization.

888781082113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20669327534.

The product of its (nonzero) digits is 1376256, while the sum is 55.

The spelling of 888781082113 in words is "eight hundred eighty-eight billion, seven hundred eighty-one million, eighty-two thousand, one hundred thirteen".