80012773 has 2 divisors, whose sum is σ = 80012774. Its totient is φ = 80012772.

The previous prime is 80012749. The next prime is 80012789. The reversal of 80012773 is 37721008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61496964 + 18515809 = 7842^2 + 4303^2 .

It is a cyclic number.

It is not a de Polignac number, because 80012773 - 2⁵ = 80012741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80012473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006386 + 40006387.

It is an arithmetic number, because the mean of its divisors is an integer number (40006387).

Almost surely, 2^80012773 is an apocalyptic number.

It is an amenable number.

80012773 is a deficient number, since it is larger than the sum of its proper divisors (1).

80012773 is an equidigital number, since it uses as much as digits as its factorization.

80012773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 80012773 is about 8944.9859139073. The cubic root of 80012773 is about 430.9098689479.

The spelling of 80012773 in words is "eighty million, twelve thousand, seven hundred seventy-three".