772320127 has 2 divisors, whose sum is σ = 772320128. Its totient is φ = 772320126.

The previous prime is 772320091. The next prime is 772320163. The reversal of 772320127 is 721023277.

It is a balanced prime because it is at equal distance from previous prime (772320091) and next prime (772320163).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772320127 is a prime.

It is a super-2 number, since 2×772320127² = 1192956757138592258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772320167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386160063 + 386160064.

It is an arithmetic number, because the mean of its divisors is an integer number (386160064).

Almost surely, 2^772320127 is an apocalyptic number.

772320127 is a deficient number, since it is larger than the sum of its proper divisors (1).

772320127 is an equidigital number, since it uses as much as digits as its factorization.

772320127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 772320127 is about 27790.6481932322. The cubic root of 772320127 is about 917.4853062114.

The spelling of 772320127 in words is "seven hundred seventy-two million, three hundred twenty thousand, one hundred twenty-seven".