80993683 has 2 divisors, whose sum is σ = 80993684. Its totient is φ = 80993682.

The previous prime is 80993681. The next prime is 80993761. The reversal of 80993683 is 38639908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80993683 - 2¹ = 80993681 is a prime.

Together with 80993681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80993681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40496841 + 40496842.

It is an arithmetic number, because the mean of its divisors is an integer number (40496842).

Almost surely, 2^80993683 is an apocalyptic number.

80993683 is a deficient number, since it is larger than the sum of its proper divisors (1).

80993683 is an equidigital number, since it uses as much as digits as its factorization.

80993683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 80993683 is about 8999.6490487130. The cubic root of 80993683 is about 432.6636230337.

The spelling of 80993683 in words is "eighty million, nine hundred ninety-three thousand, six hundred eighty-three".