774270812089 has 2 divisors, whose sum is σ = 774270812090. Its totient is φ = 774270812088.

The previous prime is 774270812053. The next prime is 774270812101. The reversal of 774270812089 is 980218072477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654291707689 + 119979104400 = 808883^2 + 346380^2 .

It is a cyclic number.

It is not a de Polignac number, because 774270812089 - 2³¹ = 772123328441 is a prime.

It is not a weakly prime, because it can be changed into another prime (774270819089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387135406044 + 387135406045.

It is an arithmetic number, because the mean of its divisors is an integer number (387135406045).

Almost surely, 2^774270812089 is an apocalyptic number.

It is an amenable number.

774270812089 is a deficient number, since it is larger than the sum of its proper divisors (1).

774270812089 is an equidigital number, since it uses as much as digits as its factorization.

774270812089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 774270812089 in words is "seven hundred seventy-four billion, two hundred seventy million, eight hundred twelve thousand, eighty-nine".