871603031087 has 2 divisors, whose sum is σ = 871603031088. Its totient is φ = 871603031086.

The previous prime is 871603031029. The next prime is 871603031099. The reversal of 871603031087 is 780130306178.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871603031087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871603021087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435801515543 + 435801515544.

It is an arithmetic number, because the mean of its divisors is an integer number (435801515544).

Almost surely, 2^871603031087 is an apocalyptic number.

871603031087 is a deficient number, since it is larger than the sum of its proper divisors (1).

871603031087 is an equidigital number, since it uses as much as digits as its factorization.

871603031087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 871603031087 in words is "eight hundred seventy-one billion, six hundred three million, thirty-one thousand, eighty-seven".