871459699987 has 2 divisors, whose sum is σ = 871459699988. Its totient is φ = 871459699986.

The previous prime is 871459699937. The next prime is 871459700011. The reversal of 871459699987 is 789996954178.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871459699987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871459699987.

It is not a weakly prime, because it can be changed into another prime (871459699937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435729849993 + 435729849994.

It is an arithmetic number, because the mean of its divisors is an integer number (435729849994).

Almost surely, 2^871459699987 is an apocalyptic number.

871459699987 is a deficient number, since it is larger than the sum of its proper divisors (1).

871459699987 is an equidigital number, since it uses as much as digits as its factorization.

871459699987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2469035520, while the sum is 82.

The spelling of 871459699987 in words is "eight hundred seventy-one billion, four hundred fifty-nine million, six hundred ninety-nine thousand, nine hundred eighty-seven".