80001893 has 2 divisors, whose sum is σ = 80001894. Its totient is φ = 80001892.

The previous prime is 80001871. The next prime is 80001931. The reversal of 80001893 is 39810008.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58033924 + 21967969 = 7618^2 + 4687^2 .

It is a cyclic number.

It is not a de Polignac number, because 80001893 - 2²⁶ = 12893029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80001863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000946 + 40000947.

It is an arithmetic number, because the mean of its divisors is an integer number (40000947).

Almost surely, 2^80001893 is an apocalyptic number.

It is an amenable number.

80001893 is a deficient number, since it is larger than the sum of its proper divisors (1).

80001893 is an equidigital number, since it uses as much as digits as its factorization.

80001893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 80001893 is about 8944.3777312902. The cubic root of 80001893 is about 430.8903366003.

The spelling of 80001893 in words is "eighty million, one thousand, eight hundred ninety-three".