76770829 has 2 divisors, whose sum is σ = 76770830. Its totient is φ = 76770828.

The previous prime is 76770823. The next prime is 76770839. The reversal of 76770829 is 92807767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73874025 + 2896804 = 8595^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 76770829 - 2¹¹ = 76768781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76770823) 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, 38385414 + 38385415.

It is an arithmetic number, because the mean of its divisors is an integer number (38385415).

Almost surely, 2^76770829 is an apocalyptic number.

It is an amenable number.

76770829 is a deficient number, since it is larger than the sum of its proper divisors (1).

76770829 is an equidigital number, since it uses as much as digits as its factorization.

76770829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 76770829 is about 8761.8964271441. The cubic root of 76770829 is about 425.0096034739.

The spelling of 76770829 in words is "seventy-six million, seven hundred seventy thousand, eight hundred twenty-nine".