798041771522 has 6 divisors (see below), whose sum is σ = 1197064552329. Its totient is φ = 399020254080.

The previous prime is 798041771507. The next prime is 798041771531. The reversal of 798041771522 is 225177140897.

It can be written as a sum of positive squares in 2 ways, for example, as 787959804241 + 10081967281 = 887671^2 + 100409^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=631681.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 947522 + ... + 1579202.

Almost surely, 2^798041771522 is an apocalyptic number.

798041771522 is a deficient number, since it is larger than the sum of its proper divisors (399022780807).

798041771522 is an frugal number, since it uses more digits than its factorization.

798041771522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263364 (or 631683 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 798041771522 in words is "seven hundred ninety-eight billion, forty-one million, seven hundred seventy-one thousand, five hundred twenty-two".