80743671 has 12 divisors (see below), whose sum is σ = 117006448. Its totient is φ = 53655264.

The previous prime is 80743667. The next prime is 80743681. The reversal of 80743671 is 17634708.

It is not a de Polignac number, because 80743671 - 2² = 80743667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80743651) 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 in 11 ways as a sum of consecutive naturals, for example, 11515 + ... + 17148.

Almost surely, 2^80743671 is an apocalyptic number.

80743671 is a deficient number, since it is larger than the sum of its proper divisors (36262777).

80743671 is a wasteful number, since it uses less digits than its factorization.

80743671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28982 (or 28979 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 80743671 is about 8985.7482159250. The cubic root of 80743671 is about 432.2179809123.

The spelling of 80743671 in words is "eighty million, seven hundred forty-three thousand, six hundred seventy-one".