772862795891 has 2 divisors, whose sum is σ = 772862795892. Its totient is φ = 772862795890.

The previous prime is 772862795867. The next prime is 772862795909. The reversal of 772862795891 is 198597268277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772862795891 - 2³⁴ = 755682926707 is a prime.

It is not a weakly prime, because it can be changed into another prime (772862795801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386431397945 + 386431397946.

It is an arithmetic number, because the mean of its divisors is an integer number (386431397946).

Almost surely, 2^772862795891 is an apocalyptic number.

772862795891 is a deficient number, since it is larger than the sum of its proper divisors (1).

772862795891 is an equidigital number, since it uses as much as digits as its factorization.

772862795891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 213373440, while the sum is 71.

The spelling of 772862795891 in words is "seven hundred seventy-two billion, eight hundred sixty-two million, seven hundred ninety-five thousand, eight hundred ninety-one".