80605793 has 2 divisors, whose sum is σ = 80605794. Its totient is φ = 80605792.

The previous prime is 80605783. The next prime is 80605813. The reversal of 80605793 is 39750608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 10163344 = 8393^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 80605793 - 2⁶ = 80605729 is a prime.

It is not a weakly prime, because it can be changed into another prime (80605753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40302896 + 40302897.

It is an arithmetic number, because the mean of its divisors is an integer number (40302897).

Almost surely, 2^80605793 is an apocalyptic number.

It is an amenable number.

80605793 is a deficient number, since it is larger than the sum of its proper divisors (1).

80605793 is an equidigital number, since it uses as much as digits as its factorization.

80605793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 80605793 is about 8978.0729001273. The cubic root of 80605793 is about 431.9718220790.

The spelling of 80605793 in words is "eighty million, six hundred five thousand, seven hundred ninety-three".