80047369 has 2 divisors, whose sum is σ = 80047370. Its totient is φ = 80047368.

The previous prime is 80047367. The next prime is 80047393. The reversal of 80047369 is 96374008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57198969 + 22848400 = 7563^2 + 4780^2 .

It is a cyclic number.

It is not a de Polignac number, because 80047369 - 2¹ = 80047367 is a prime.

It is a super-2 number, since 2×80047369² = 12815162567644322, which contains 22 as substring.

Together with 80047367, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4671955 and since 80047369 and 4671955 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (80047367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40023684 + 40023685.

It is an arithmetic number, because the mean of its divisors is an integer number (40023685).

Almost surely, 2^80047369 is an apocalyptic number.

It is an amenable number.

80047369 is a deficient number, since it is larger than the sum of its proper divisors (1).

80047369 is an equidigital number, since it uses as much as digits as its factorization.

80047369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 80047369 is about 8946.9195257362. The cubic root of 80047369 is about 430.9719657406.

The spelling of 80047369 in words is "eighty million, forty-seven thousand, three hundred sixty-nine".