798181897 has 2 divisors, whose sum is σ = 798181898. Its totient is φ = 798181896.

The previous prime is 798181883. The next prime is 798181907.

798181897 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571257801 + 226924096 = 23901^2 + 15064^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 798181897 - 2¹¹ = 798179849 is a prime.

It is not a weakly prime, because it can be changed into another prime (798181817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399090948 + 399090949.

It is an arithmetic number, because the mean of its divisors is an integer number (399090949).

Almost surely, 2^798181897 is an apocalyptic number.

It is an amenable number.

798181897 is a deficient number, since it is larger than the sum of its proper divisors (1).

798181897 is an equidigital number, since it uses as much as digits as its factorization.

798181897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 58.

The square root of 798181897 is about 28252.1131422058. The cubic root of 798181897 is about 927.6139927654.

The spelling of 798181897 in words is "seven hundred ninety-eight million, one hundred eighty-one thousand, eight hundred ninety-seven".