80449471 has 2 divisors, whose sum is σ = 80449472. Its totient is φ = 80449470.

The previous prime is 80449463. The next prime is 80449483. The reversal of 80449471 is 17494408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80449471 - 2³ = 80449463 is a prime.

It is a super-3 number, since 3×80449471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80449471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80449871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40224735 + 40224736.

It is an arithmetic number, because the mean of its divisors is an integer number (40224736).

Almost surely, 2^80449471 is an apocalyptic number.

80449471 is a deficient number, since it is larger than the sum of its proper divisors (1).

80449471 is an equidigital number, since it uses as much as digits as its factorization.

80449471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 80449471 is about 8969.3629093710. The cubic root of 80449471 is about 431.6923946907.

The spelling of 80449471 in words is "eighty million, four hundred forty-nine thousand, four hundred seventy-one".