80826773 has 2 divisors, whose sum is σ = 80826774. Its totient is φ = 80826772.

The previous prime is 80826727. The next prime is 80826787. The reversal of 80826773 is 37762808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78818884 + 2007889 = 8878^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 80826773 - 2²⁶ = 13717909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80826773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80826073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40413386 + 40413387.

It is an arithmetic number, because the mean of its divisors is an integer number (40413387).

Almost surely, 2^80826773 is an apocalyptic number.

It is an amenable number.

80826773 is a deficient number, since it is larger than the sum of its proper divisors (1).

80826773 is an equidigital number, since it uses as much as digits as its factorization.

80826773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 80826773 is about 8990.3711269335. The cubic root of 80826773 is about 432.3662107480.

The spelling of 80826773 in words is "eighty million, eight hundred twenty-six thousand, seven hundred seventy-three".