776142097 has 2 divisors, whose sum is σ = 776142098. Its totient is φ = 776142096.

The previous prime is 776142091. The next prime is 776142121. The reversal of 776142097 is 790241677.

776142097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774564561 + 1577536 = 27831^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 776142097 - 2¹⁵ = 776109329 is a prime.

It is not a weakly prime, because it can be changed into another prime (776142091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388071048 + 388071049.

It is an arithmetic number, because the mean of its divisors is an integer number (388071049).

Almost surely, 2^776142097 is an apocalyptic number.

It is an amenable number.

776142097 is a deficient number, since it is larger than the sum of its proper divisors (1).

776142097 is an equidigital number, since it uses as much as digits as its factorization.

776142097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 776142097 is about 27859.3269301324. The cubic root of 776142097 is about 918.9962655003.

The spelling of 776142097 in words is "seven hundred seventy-six million, one hundred forty-two thousand, ninety-seven".