75163777896971 has 2 divisors, whose sum is σ = 75163777896972. Its totient is φ = 75163777896970.

The previous prime is 75163777896887. The next prime is 75163777896997. The reversal of 75163777896971 is 17969877736157.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75163777896971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75163777896971.

It is not a weakly prime, because it can be changed into another prime (75163777896671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37581888948485 + 37581888948486.

It is an arithmetic number, because the mean of its divisors is an integer number (37581888948486).

Almost surely, 2^{75163777896971} is an apocalyptic number.

75163777896971 is a deficient number, since it is larger than the sum of its proper divisors (1).

75163777896971 is an equidigital number, since it uses as much as digits as its factorization.

75163777896971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5881105440, while the sum is 83.

The spelling of 75163777896971 in words is "seventy-five trillion, one hundred sixty-three billion, seven hundred seventy-seven million, eight hundred ninety-six thousand, nine hundred seventy-one".