80744843 has 2 divisors, whose sum is σ = 80744844. Its totient is φ = 80744842.

The previous prime is 80744819. The next prime is 80744857. The reversal of 80744843 is 34844708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80744843 - 2⁶ = 80744779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80744797 and 80744806.

It is not a weakly prime, because it can be changed into another prime (80746843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40372421 + 40372422.

It is an arithmetic number, because the mean of its divisors is an integer number (40372422).

Almost surely, 2^80744843 is an apocalyptic number.

80744843 is a deficient number, since it is larger than the sum of its proper divisors (1).

80744843 is an equidigital number, since it uses as much as digits as its factorization.

80744843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 80744843 is about 8985.8134300685. The cubic root of 80744843 is about 432.2200721269.

The spelling of 80744843 in words is "eighty million, seven hundred forty-four thousand, eight hundred forty-three".