80180873 has 2 divisors, whose sum is σ = 80180874. Its totient is φ = 80180872.

The previous prime is 80180869. The next prime is 80180909. The reversal of 80180873 is 37808108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65496649 + 14684224 = 8093^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 80180873 - 2² = 80180869 is a prime.

It is not a weakly prime, because it can be changed into another prime (80180803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40090436 + 40090437.

It is an arithmetic number, because the mean of its divisors is an integer number (40090437).

Almost surely, 2^80180873 is an apocalyptic number.

It is an amenable number.

80180873 is a deficient number, since it is larger than the sum of its proper divisors (1).

80180873 is an equidigital number, since it uses as much as digits as its factorization.

80180873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 80180873 is about 8954.3773094504. The cubic root of 80180873 is about 431.2114261374.

The spelling of 80180873 in words is "eighty million, one hundred eighty thousand, eight hundred seventy-three".