7625167157 has 2 divisors, whose sum is σ = 7625167158. Its totient is φ = 7625167156.

The previous prime is 7625167129. The next prime is 7625167159. The reversal of 7625167157 is 7517615267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7500599236 + 124567921 = 86606^2 + 11161^2 .

It is a cyclic number.

It is not a de Polignac number, because 7625167157 - 2¹⁴ = 7625150773 is a prime.

Together with 7625167159, 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 (7625167159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812583578 + 3812583579.

It is an arithmetic number, because the mean of its divisors is an integer number (3812583579).

Almost surely, 2^7625167157 is an apocalyptic number.

It is an amenable number.

7625167157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625167157 is an equidigital number, since it uses as much as digits as its factorization.

7625167157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 47.

The square root of 7625167157 is about 87322.2031158170. The cubic root of 7625167157 is about 1968.2629742451.

The spelling of 7625167157 in words is "seven billion, six hundred twenty-five million, one hundred sixty-seven thousand, one hundred fifty-seven".