775088137 has 2 divisors, whose sum is σ = 775088138. Its totient is φ = 775088136.

The previous prime is 775088107. The next prime is 775088159. The reversal of 775088137 is 731880577.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402443721 + 372644416 = 20061^2 + 19304^2 .

It is a cyclic number.

It is not a de Polignac number, because 775088137 - 2¹¹ = 775086089 is a prime.

It is equal to p_39929716 and since 775088137 and 39929716 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (775088107) 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, 387544068 + 387544069.

It is an arithmetic number, because the mean of its divisors is an integer number (387544069).

Almost surely, 2^775088137 is an apocalyptic number.

It is an amenable number.

775088137 is a deficient number, since it is larger than the sum of its proper divisors (1).

775088137 is an equidigital number, since it uses as much as digits as its factorization.

775088137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 775088137 is about 27840.4047563968. The cubic root of 775088137 is about 918.5800942571.

The spelling of 775088137 in words is "seven hundred seventy-five million, eighty-eight thousand, one hundred thirty-seven".