80867671 has 4 divisors (see below), whose sum is σ = 80899344. Its totient is φ = 80836000.

The previous prime is 80867663. The next prime is 80867687. The reversal of 80867671 is 17676808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80867671 - 2³ = 80867663 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 (80864671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11635 + ... + 17236.

It is an arithmetic number, because the mean of its divisors is an integer number (20224836).

Almost surely, 2^80867671 is an apocalyptic number.

80867671 is a deficient number, since it is larger than the sum of its proper divisors (31673).

80867671 is a wasteful number, since it uses less digits than its factorization.

80867671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31672.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 80867671 is about 8992.6453838679. The cubic root of 80867671 is about 432.4391236001.

The spelling of 80867671 in words is "eighty million, eight hundred sixty-seven thousand, six hundred seventy-one".