801848239 has 2 divisors, whose sum is σ = 801848240. Its totient is φ = 801848238.

The previous prime is 801848237. The next prime is 801848251. The reversal of 801848239 is 932848108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801848239 - 2¹ = 801848237 is a prime.

It is a super-2 number, since 2×801848239² = 1285921196774802242, which contains 22 as substring.

Together with 801848237, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 801848195 and 801848204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801848237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400924119 + 400924120.

It is an arithmetic number, because the mean of its divisors is an integer number (400924120).

Almost surely, 2^801848239 is an apocalyptic number.

801848239 is a deficient number, since it is larger than the sum of its proper divisors (1).

801848239 is an equidigital number, since it uses as much as digits as its factorization.

801848239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 801848239 is about 28316.9249566403. The cubic root of 801848239 is about 929.0321140115.

The spelling of 801848239 in words is "eight hundred one million, eight hundred forty-eight thousand, two hundred thirty-nine".