80312773 has 2 divisors, whose sum is σ = 80312774. Its totient is φ = 80312772.

The previous prime is 80312767. The next prime is 80312779. The reversal of 80312773 is 37721308.

It is a balanced prime because it is at equal distance from previous prime (80312767) and next prime (80312779).

It can be written as a sum of positive squares in only one way, i.e., 75463969 + 4848804 = 8687^2 + 2202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80312773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80312779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40156386 + 40156387.

It is an arithmetic number, because the mean of its divisors is an integer number (40156387).

Almost surely, 2^80312773 is an apocalyptic number.

It is an amenable number.

80312773 is a deficient number, since it is larger than the sum of its proper divisors (1).

80312773 is an equidigital number, since it uses as much as digits as its factorization.

80312773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 80312773 is about 8961.7393958985. The cubic root of 80312773 is about 431.4477486145.

The spelling of 80312773 in words is "eighty million, three hundred twelve thousand, seven hundred seventy-three".