76568957 has 2 divisors, whose sum is σ = 76568958. Its totient is φ = 76568956.

The previous prime is 76568951. The next prime is 76568959. The reversal of 76568957 is 75986567.

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., 68790436 + 7778521 = 8294^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 76568957 - 2⁶ = 76568893 is a prime.

Together with 76568959, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76568899 and 76568908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76568951) 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, 38284478 + 38284479.

It is an arithmetic number, because the mean of its divisors is an integer number (38284479).

Almost surely, 2^76568957 is an apocalyptic number.

It is an amenable number.

76568957 is a deficient number, since it is larger than the sum of its proper divisors (1).

76568957 is an equidigital number, since it uses as much as digits as its factorization.

76568957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 53.

The square root of 76568957 is about 8750.3689636495. The cubic root of 76568957 is about 424.6367498239.

The spelling of 76568957 in words is "seventy-six million, five hundred sixty-eight thousand, nine hundred fifty-seven".