80971882 has 16 divisors (see below), whose sum is σ = 130573440. Its totient is φ = 37538208.

The previous prime is 80971871. The next prime is 80971889. The reversal of 80971882 is 28817908.

It is not an unprimeable number, because it can be changed into a prime (80971889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20883 + ... + 24454.

It is an arithmetic number, because the mean of its divisors is an integer number (8160840).

Almost surely, 2^80971882 is an apocalyptic number.

80971882 is a deficient number, since it is larger than the sum of its proper divisors (49601558).

80971882 is a wasteful number, since it uses less digits than its factorization.

80971882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45405.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 80971882 is about 8998.4377532992. The cubic root of 80971882 is about 432.6247996517.

The spelling of 80971882 in words is "eighty million, nine hundred seventy-one thousand, eight hundred eighty-two".