76975277 has 2 divisors, whose sum is σ = 76975278. Its totient is φ = 76975276.

The previous prime is 76975271. The next prime is 76975291. The reversal of 76975277 is 77257967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75707401 + 1267876 = 8701^2 + 1126^2 .

It is an emirp because it is prime and its reverse (77257967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76975277 - 2⁸ = 76975021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76975271) 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, 38487638 + 38487639.

It is an arithmetic number, because the mean of its divisors is an integer number (38487639).

Almost surely, 2^76975277 is an apocalyptic number.

It is an amenable number.

76975277 is a deficient number, since it is larger than the sum of its proper divisors (1).

76975277 is an equidigital number, since it uses as much as digits as its factorization.

76975277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296540, while the sum is 50.

The square root of 76975277 is about 8773.5555506305. Note that the first 5 decimals coincide. The cubic root of 76975277 is about 425.3865493541.

The spelling of 76975277 in words is "seventy-six million, nine hundred seventy-five thousand, two hundred seventy-seven".