71603932087 has 2 divisors, whose sum is σ = 71603932088. Its totient is φ = 71603932086.

The previous prime is 71603932079. The next prime is 71603932201. The reversal of 71603932087 is 78023930617.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78023930617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71603932087 - 2³ = 71603932079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71603932007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35801966043 + 35801966044.

It is an arithmetic number, because the mean of its divisors is an integer number (35801966044).

Almost surely, 2^71603932087 is an apocalyptic number.

71603932087 is a deficient number, since it is larger than the sum of its proper divisors (1).

71603932087 is an equidigital number, since it uses as much as digits as its factorization.

71603932087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 71603932087 in words is "seventy-one billion, six hundred three million, nine hundred thirty-two thousand, eighty-seven".