80146471 has 2 divisors, whose sum is σ = 80146472. Its totient is φ = 80146470.

The previous prime is 80146457. The next prime is 80146489. The reversal of 80146471 is 17464108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80146471 - 2²¹ = 78049319 is a prime.

It is a super-3 number, since 3×80146471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80146771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40073235 + 40073236.

It is an arithmetic number, because the mean of its divisors is an integer number (40073236).

Almost surely, 2^80146471 is an apocalyptic number.

80146471 is a deficient number, since it is larger than the sum of its proper divisors (1).

80146471 is an equidigital number, since it uses as much as digits as its factorization.

80146471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80146471 is about 8952.4561434279. The cubic root of 80146471 is about 431.1497461837.

The spelling of 80146471 in words is "eighty million, one hundred forty-six thousand, four hundred seventy-one".