80982773 has 2 divisors, whose sum is σ = 80982774. Its totient is φ = 80982772.

The previous prime is 80982767. The next prime is 80982779. The reversal of 80982773 is 37728908.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (80982767) and next prime (80982779).

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 18769 = 8998^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 80982773 - 2²² = 76788469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80982779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40491386 + 40491387.

It is an arithmetic number, because the mean of its divisors is an integer number (40491387).

Almost surely, 2^80982773 is an apocalyptic number.

It is an amenable number.

80982773 is a deficient number, since it is larger than the sum of its proper divisors (1).

80982773 is an equidigital number, since it uses as much as digits as its factorization.

80982773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 80982773 is about 8999.0428935526. The cubic root of 80982773 is about 432.6441952960.

The spelling of 80982773 in words is "eighty million, nine hundred eighty-two thousand, seven hundred seventy-three".