10879971887 has 2 divisors, whose sum is σ = 10879971888. Its totient is φ = 10879971886.

The previous prime is 10879971859. The next prime is 10879971901. The reversal of 10879971887 is 78817997801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10879971887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10879971857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5439985943 + 5439985944.

It is an arithmetic number, because the mean of its divisors is an integer number (5439985944).

Almost surely, 2^10879971887 is an apocalyptic number.

10879971887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10879971887 is an equidigital number, since it uses as much as digits as its factorization.

10879971887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 65.

The spelling of 10879971887 in words is "ten billion, eight hundred seventy-nine million, nine hundred seventy-one thousand, eight hundred eighty-seven".