80971016 has 64 divisors (see below), whose sum is σ = 182217600. Its totient is φ = 32997888.

The previous prime is 80971013. The next prime is 80971019. The reversal of 80971016 is 61017908.

It is an interprime number because it is at equal distance from previous prime (80971013) and next prime (80971019).

It is not an unprimeable number, because it can be changed into a prime (80971013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118211 + ... + 118893.

It is an arithmetic number, because the mean of its divisors is an integer number (2847150).

Almost surely, 2^80971016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80971016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91108800).

80971016 is an abundant number, since it is smaller than the sum of its proper divisors (101246584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80971016 is a wasteful number, since it uses less digits than its factorization.

80971016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 80971016 is about 8998.3896337067. The cubic root of 80971016 is about 432.6232573286.

The spelling of 80971016 in words is "eighty million, nine hundred seventy-one thousand, sixteen".