76766497 has 2 divisors, whose sum is σ = 76766498. Its totient is φ = 76766496.

The previous prime is 76766489. The next prime is 76766507. The reversal of 76766497 is 79466767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74718736 + 2047761 = 8644^2 + 1431^2 .

It is a cyclic number.

It is not a de Polignac number, because 76766497 - 2³ = 76766489 is a prime.

It is not a weakly prime, because it can be changed into another prime (76766467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38383248 + 38383249.

It is an arithmetic number, because the mean of its divisors is an integer number (38383249).

Almost surely, 2^76766497 is an apocalyptic number.

It is an amenable number.

76766497 is a deficient number, since it is larger than the sum of its proper divisors (1).

76766497 is an equidigital number, since it uses as much as digits as its factorization.

76766497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 52.

The square root of 76766497 is about 8761.6492168997. The cubic root of 76766497 is about 425.0016092211.

The spelling of 76766497 in words is "seventy-six million, seven hundred sixty-six thousand, four hundred ninety-seven".