80476491651271 has 2 divisors, whose sum is σ = 80476491651272. Its totient is φ = 80476491651270.

The previous prime is 80476491651209. The next prime is 80476491651277. The reversal of 80476491651271 is 17215619467408.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80476491651271 - 2²³ = 80476483262663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80476491651277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40238245825635 + 40238245825636.

It is an arithmetic number, because the mean of its divisors is an integer number (40238245825636).

Almost surely, 2^{80476491651271} is an apocalyptic number.

80476491651271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80476491651271 is an equidigital number, since it uses as much as digits as its factorization.

80476491651271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 80476491651271 in words is "eighty trillion, four hundred seventy-six billion, four hundred ninety-one million, six hundred fifty-one thousand, two hundred seventy-one".