7714721071157 has 2 divisors, whose sum is σ = 7714721071158. Its totient is φ = 7714721071156.

The previous prime is 7714721071073. The next prime is 7714721071159. The reversal of 7714721071157 is 7511701274177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6850107487441 + 864613583716 = 2617271^2 + 929846^2 .

It is a cyclic number.

It is not a de Polignac number, because 7714721071157 - 2¹⁸ = 7714720809013 is a prime.

Together with 7714721071159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7714721071159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3857360535578 + 3857360535579.

It is an arithmetic number, because the mean of its divisors is an integer number (3857360535579).

Almost surely, 2^{7714721071157} is an apocalyptic number.

It is an amenable number.

7714721071157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7714721071157 is an equidigital number, since it uses as much as digits as its factorization.

7714721071157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672280, while the sum is 50.

The spelling of 7714721071157 in words is "seven trillion, seven hundred fourteen billion, seven hundred twenty-one million, seventy-one thousand, one hundred fifty-seven".