76255609 has 2 divisors, whose sum is σ = 76255610. Its totient is φ = 76255608.

The previous prime is 76255577. The next prime is 76255639. The reversal of 76255609 is 90655267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67699984 + 8555625 = 8228^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 76255609 - 2⁵ = 76255577 is a prime.

It is not a weakly prime, because it can be changed into another prime (76255639) 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, 38127804 + 38127805.

It is an arithmetic number, because the mean of its divisors is an integer number (38127805).

Almost surely, 2^76255609 is an apocalyptic number.

It is an amenable number.

76255609 is a deficient number, since it is larger than the sum of its proper divisors (1).

76255609 is an equidigital number, since it uses as much as digits as its factorization.

76255609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 76255609 is about 8732.4457627860. The cubic root of 76255609 is about 424.0567018775.

The spelling of 76255609 in words is "seventy-six million, two hundred fifty-five thousand, six hundred nine".