7677471157 has 2 divisors, whose sum is σ = 7677471158. Its totient is φ = 7677471156.

The previous prime is 7677471097. The next prime is 7677471203. The reversal of 7677471157 is 7511747767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5063603281 + 2613867876 = 71159^2 + 51126^2 .

It is a cyclic number.

It is not a de Polignac number, because 7677471157 - 2¹¹ = 7677469109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7677471757) 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, 3838735578 + 3838735579.

It is an arithmetic number, because the mean of its divisors is an integer number (3838735579).

Almost surely, 2^7677471157 is an apocalyptic number.

It is an amenable number.

7677471157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7677471157 is an equidigital number, since it uses as much as digits as its factorization.

7677471157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016840, while the sum is 52.

The square root of 7677471157 is about 87621.1798425472. The cubic root of 7677471157 is about 1972.7530848882.

The spelling of 7677471157 in words is "seven billion, six hundred seventy-seven million, four hundred seventy-one thousand, one hundred fifty-seven".