80655793 has 2 divisors, whose sum is σ = 80655794. Its totient is φ = 80655792.

The previous prime is 80655727. The next prime is 80655811. The reversal of 80655793 is 39755608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63250209 + 17405584 = 7953^2 + 4172^2 .

It is a cyclic number.

It is not a de Polignac number, because 80655793 - 2¹³ = 80647601 is a prime.

It is not a weakly prime, because it can be changed into another prime (80655193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40327896 + 40327897.

It is an arithmetic number, because the mean of its divisors is an integer number (40327897).

Almost surely, 2^80655793 is an apocalyptic number.

It is an amenable number.

80655793 is a deficient number, since it is larger than the sum of its proper divisors (1).

80655793 is an equidigital number, since it uses as much as digits as its factorization.

80655793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 80655793 is about 8980.8570303730. The cubic root of 80655793 is about 432.0611213959.

The spelling of 80655793 in words is "eighty million, six hundred fifty-five thousand, seven hundred ninety-three".