798987193 has 2 divisors, whose sum is σ = 798987194. Its totient is φ = 798987192.

The previous prime is 798987191. The next prime is 798987223. The reversal of 798987193 is 391789897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454030864 + 344956329 = 21308^2 + 18573^2 .

It is a cyclic number.

It is not a de Polignac number, because 798987193 - 2¹ = 798987191 is a prime.

Together with 798987191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (798987191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399493596 + 399493597.

It is an arithmetic number, because the mean of its divisors is an integer number (399493597).

Almost surely, 2^798987193 is an apocalyptic number.

It is an amenable number.

798987193 is a deficient number, since it is larger than the sum of its proper divisors (1).

798987193 is an equidigital number, since it uses as much as digits as its factorization.

798987193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 61.

The square root of 798987193 is about 28266.3615097522. The cubic root of 798987193 is about 927.9258484802.

The spelling of 798987193 in words is "seven hundred ninety-eight million, nine hundred eighty-seven thousand, one hundred ninety-three".