5078811971 has 2 divisors, whose sum is σ = 5078811972. Its totient is φ = 5078811970.

The previous prime is 5078811917. The next prime is 5078812003. The reversal of 5078811971 is 1791188705.

Together with previous prime (5078811917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5078811971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5078811911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539405985 + 2539405986.

It is an arithmetic number, because the mean of its divisors is an integer number (2539405986).

Almost surely, 2^5078811971 is an apocalyptic number.

5078811971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5078811971 is an equidigital number, since it uses as much as digits as its factorization.

5078811971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 47.

The square root of 5078811971 is about 71265.7840130872. The cubic root of 5078811971 is about 1718.9135886502.

The spelling of 5078811971 in words is "five billion, seventy-eight million, eight hundred eleven thousand, nine hundred seventy-one".