80746971 has 16 divisors (see below), whose sum is σ = 112293888. Its totient is φ = 51552000.

The previous prime is 80746961. The next prime is 80747027. The reversal of 80746971 is 17964708.

It is not a de Polignac number, because 80746971 - 2⁷ = 80746843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80746921) 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 15 ways as a sum of consecutive naturals, for example, 4546 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (7018368).

Almost surely, 2^80746971 is an apocalyptic number.

80746971 is a deficient number, since it is larger than the sum of its proper divisors (31546917).

80746971 is a wasteful number, since it uses less digits than its factorization.

80746971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 80746971 is about 8985.9318381568. The cubic root of 80746971 is about 432.2238690927.

The spelling of 80746971 in words is "eighty million, seven hundred forty-six thousand, nine hundred seventy-one".