800078413 has 2 divisors, whose sum is σ = 800078414. Its totient is φ = 800078412.

The previous prime is 800078381. The next prime is 800078441. The reversal of 800078413 is 314870008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 793717929 + 6360484 = 28173^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 800078413 - 2⁵ = 800078381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800078443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400039206 + 400039207.

It is an arithmetic number, because the mean of its divisors is an integer number (400039207).

Almost surely, 2^800078413 is an apocalyptic number.

It is an amenable number.

800078413 is a deficient number, since it is larger than the sum of its proper divisors (1).

800078413 is an equidigital number, since it uses as much as digits as its factorization.

800078413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 800078413 is about 28285.6573725979. The cubic root of 800078413 is about 928.3480958071.

The spelling of 800078413 in words is "eight hundred million, seventy-eight thousand, four hundred thirteen".