7663045157 has 2 divisors, whose sum is σ = 7663045158. Its totient is φ = 7663045156.

The previous prime is 7663045153. The next prime is 7663045163. The reversal of 7663045157 is 7515403667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7312644196 + 350400961 = 85514^2 + 18719^2 .

It is an emirp because it is prime and its reverse (7515403667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7663045157 - 2² = 7663045153 is a prime.

It is a super-2 number, since 2×7663045157² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7663045153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831522578 + 3831522579.

It is an arithmetic number, because the mean of its divisors is an integer number (3831522579).

Almost surely, 2^7663045157 is an apocalyptic number.

It is an amenable number.

7663045157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663045157 is an equidigital number, since it uses as much as digits as its factorization.

7663045157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 7663045157 is about 87538.8208568062. The cubic root of 7663045157 is about 1971.5167064475.

The spelling of 7663045157 in words is "seven billion, six hundred sixty-three million, forty-five thousand, one hundred fifty-seven".