8157114404771 has 2 divisors, whose sum is σ = 8157114404772. Its totient is φ = 8157114404770.

The previous prime is 8157114404731. The next prime is 8157114404833. The reversal of 8157114404771 is 1774044117518.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8157114404771 - 2¹⁸ = 8157114142627 is a prime.

It is not a weakly prime, because it can be changed into another prime (8157114404731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4078557202385 + 4078557202386.

It is an arithmetic number, because the mean of its divisors is an integer number (4078557202386).

Almost surely, 2^{8157114404771} is an apocalyptic number.

8157114404771 is a deficient number, since it is larger than the sum of its proper divisors (1).

8157114404771 is an equidigital number, since it uses as much as digits as its factorization.

8157114404771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 878080, while the sum is 50.

The spelling of 8157114404771 in words is "eight trillion, one hundred fifty-seven billion, one hundred fourteen million, four hundred four thousand, seven hundred seventy-one".