80793847 has 2 divisors, whose sum is σ = 80793848. Its totient is φ = 80793846.

The previous prime is 80793803. The next prime is 80793859. The reversal of 80793847 is 74839708.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80793847 is a prime.

It is a super-3 number, since 3×80793847³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80793797 and 80793806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80796847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40396923 + 40396924.

It is an arithmetic number, because the mean of its divisors is an integer number (40396924).

Almost surely, 2^80793847 is an apocalyptic number.

80793847 is a deficient number, since it is larger than the sum of its proper divisors (1).

80793847 is an equidigital number, since it uses as much as digits as its factorization.

80793847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 80793847 is about 8988.5397590487. The cubic root of 80793847 is about 432.3074924840.

The spelling of 80793847 in words is "eighty million, seven hundred ninety-three thousand, eight hundred forty-seven".