798221179031 has 2 divisors, whose sum is σ = 798221179032. Its totient is φ = 798221179030.

The previous prime is 798221179001. The next prime is 798221179043. The reversal of 798221179031 is 130971122897.

It is a strong prime.

It is an emirp because it is prime and its reverse (130971122897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 798221179031 - 2²⁶ = 798154070167 is a prime.

It is a super-2 number, since 2×798221179031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798221179001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399110589515 + 399110589516.

It is an arithmetic number, because the mean of its divisors is an integer number (399110589516).

Almost surely, 2^798221179031 is an apocalyptic number.

798221179031 is a deficient number, since it is larger than the sum of its proper divisors (1).

798221179031 is an equidigital number, since it uses as much as digits as its factorization.

798221179031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 798221179031 in words is "seven hundred ninety-eight billion, two hundred twenty-one million, one hundred seventy-nine thousand, thirty-one".