80013893 has 2 divisors, whose sum is σ = 80013894. Its totient is φ = 80013892.

The previous prime is 80013889. The next prime is 80013977. The reversal of 80013893 is 39831008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76335169 + 3678724 = 8737^2 + 1918^2 .

It is a cyclic number.

It is not a de Polignac number, because 80013893 - 2² = 80013889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80013863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006946 + 40006947.

It is an arithmetic number, because the mean of its divisors is an integer number (40006947).

Almost surely, 2^80013893 is an apocalyptic number.

It is an amenable number.

80013893 is a deficient number, since it is larger than the sum of its proper divisors (1).

80013893 is an equidigital number, since it uses as much as digits as its factorization.

80013893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 80013893 is about 8945.0485185940. The cubic root of 80013893 is about 430.9118795303.

The spelling of 80013893 in words is "eighty million, thirteen thousand, eight hundred ninety-three".