768794129 has 2 divisors, whose sum is σ = 768794130. Its totient is φ = 768794128.

The previous prime is 768794101. The next prime is 768794137. The reversal of 768794129 is 921497867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661878529 + 106915600 = 25727^2 + 10340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768794129 is a prime.

It is not a weakly prime, because it can be changed into another prime (768794629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384397064 + 384397065.

It is an arithmetic number, because the mean of its divisors is an integer number (384397065).

Almost surely, 2^768794129 is an apocalyptic number.

It is an amenable number.

768794129 is a deficient number, since it is larger than the sum of its proper divisors (1).

768794129 is an equidigital number, since it uses as much as digits as its factorization.

768794129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The square root of 768794129 is about 27727.1370501897. The cubic root of 768794129 is about 916.0869279421.

The spelling of 768794129 in words is "seven hundred sixty-eight million, seven hundred ninety-four thousand, one hundred twenty-nine".