772768891127 has 2 divisors, whose sum is σ = 772768891128. Its totient is φ = 772768891126.

The previous prime is 772768891093. The next prime is 772768891171. The reversal of 772768891127 is 721198867277.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 772768891127 - 2⁸ = 772768890871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772768891177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386384445563 + 386384445564.

It is an arithmetic number, because the mean of its divisors is an integer number (386384445564).

Almost surely, 2^772768891127 is an apocalyptic number.

772768891127 is a deficient number, since it is larger than the sum of its proper divisors (1).

772768891127 is an equidigital number, since it uses as much as digits as its factorization.

772768891127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33191424, while the sum is 65.

The spelling of 772768891127 in words is "seven hundred seventy-two billion, seven hundred sixty-eight million, eight hundred ninety-one thousand, one hundred twenty-seven".