80285873 has 2 divisors, whose sum is σ = 80285874. Its totient is φ = 80285872.

The previous prime is 80285867. The next prime is 80285897. The reversal of 80285873 is 37858208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70694464 + 9591409 = 8408^2 + 3097^2 .

It is a cyclic number.

It is not a de Polignac number, because 80285873 - 2⁴ = 80285857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80285873.

It is not a weakly prime, because it can be changed into another prime (80285173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142936 + 40142937.

It is an arithmetic number, because the mean of its divisors is an integer number (40142937).

Almost surely, 2^80285873 is an apocalyptic number.

It is an amenable number.

80285873 is a deficient number, since it is larger than the sum of its proper divisors (1).

80285873 is an equidigital number, since it uses as much as digits as its factorization.

80285873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 80285873 is about 8960.2384454879. The cubic root of 80285873 is about 431.3995734612.

The spelling of 80285873 in words is "eighty million, two hundred eighty-five thousand, eight hundred seventy-three".