76768147 has 2 divisors, whose sum is σ = 76768148. Its totient is φ = 76768146.

The previous prime is 76768129. The next prime is 76768157. The reversal of 76768147 is 74186767.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76768147 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76768097 and 76768106.

It is not a weakly prime, because it can be changed into another prime (76768117) 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, 38384073 + 38384074.

It is an arithmetic number, because the mean of its divisors is an integer number (38384074).

Almost surely, 2^76768147 is an apocalyptic number.

76768147 is a deficient number, since it is larger than the sum of its proper divisors (1).

76768147 is an equidigital number, since it uses as much as digits as its factorization.

76768147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 46.

The square root of 76768147 is about 8761.7433767487. The cubic root of 76768147 is about 425.0046541590.

The spelling of 76768147 in words is "seventy-six million, seven hundred sixty-eight thousand, one hundred forty-seven".