80874971 has 4 divisors (see below), whose sum is σ = 81213600. Its totient is φ = 80536344.

The previous prime is 80874949. The next prime is 80874977. The reversal of 80874971 is 17947808.

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 80874971 - 2¹⁴ = 80858587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80874977) 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, 168956 + ... + 169433.

It is an arithmetic number, because the mean of its divisors is an integer number (20303400).

Almost surely, 2^80874971 is an apocalyptic number.

80874971 is a deficient number, since it is larger than the sum of its proper divisors (338629).

80874971 is a wasteful number, since it uses less digits than its factorization.

80874971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338628.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 80874971 is about 8993.0512619466. The cubic root of 80874971 is about 432.4521354361.

The spelling of 80874971 in words is "eighty million, eight hundred seventy-four thousand, nine hundred seventy-one".