10879842787 has 4 divisors (see below), whose sum is σ = 11868919416. Its totient is φ = 9890766160.

The previous prime is 10879842781. The next prime is 10879842793. The reversal of 10879842787 is 78724897801.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10879842781) and next prime (10879842793).

It is a de Polignac number, because none of the positive numbers 2^k-10879842787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10879842781) 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, 494538298 + ... + 494538319.

It is an arithmetic number, because the mean of its divisors is an integer number (2967229854).

Almost surely, 2^10879842787 is an apocalyptic number.

10879842787 is a deficient number, since it is larger than the sum of its proper divisors (989076629).

10879842787 is an equidigital number, since it uses as much as digits as its factorization.

10879842787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989076628.

The product of its (nonzero) digits is 12644352, while the sum is 61.

The spelling of 10879842787 in words is "ten billion, eight hundred seventy-nine million, eight hundred forty-two thousand, seven hundred eighty-seven".