800430893 has 2 divisors, whose sum is σ = 800430894. Its totient is φ = 800430892.

The previous prime is 800430877. The next prime is 800430901. The reversal of 800430893 is 398034008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688642564 + 111788329 = 26242^2 + 10573^2 .

It is a cyclic number.

It is not a de Polignac number, because 800430893 - 2⁴ = 800430877 is a prime.

It is a super-2 number, since 2×800430893² = 1281379228937554898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800430863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400215446 + 400215447.

It is an arithmetic number, because the mean of its divisors is an integer number (400215447).

Almost surely, 2^800430893 is an apocalyptic number.

It is an amenable number.

800430893 is a deficient number, since it is larger than the sum of its proper divisors (1).

800430893 is an equidigital number, since it uses as much as digits as its factorization.

800430893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 800430893 is about 28291.8874061099. The cubic root of 800430893 is about 928.4844058194.

The spelling of 800430893 in words is "eight hundred million, four hundred thirty thousand, eight hundred ninety-three".