80063993 has 2 divisors, whose sum is σ = 80063994. Its totient is φ = 80063992.

The previous prime is 80063987. The next prime is 80064001. The reversal of 80063993 is 39936008.

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., 78287104 + 1776889 = 8848^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 80063993 - 2¹⁸ = 79801849 is a prime.

It is not a weakly prime, because it can be changed into another prime (80063923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40031996 + 40031997.

It is an arithmetic number, because the mean of its divisors is an integer number (40031997).

Almost surely, 2^80063993 is an apocalyptic number.

It is an amenable number.

80063993 is a deficient number, since it is larger than the sum of its proper divisors (1).

80063993 is an equidigital number, since it uses as much as digits as its factorization.

80063993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 80063993 is about 8947.8485123520. The cubic root of 80063993 is about 431.0017980018.

The spelling of 80063993 in words is "eighty million, sixty-three thousand, nine hundred ninety-three".