80616982 has 4 divisors (see below), whose sum is σ = 120925476. Its totient is φ = 40308490.

The previous prime is 80616971. The next prime is 80616989. The reversal of 80616982 is 28961608.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80616989) 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 as a sum of consecutive naturals, namely, 20154244 + ... + 20154247.

It is an arithmetic number, because the mean of its divisors is an integer number (30231369).

Almost surely, 2^80616982 is an apocalyptic number.

80616982 is a deficient number, since it is larger than the sum of its proper divisors (40308494).

80616982 is a wasteful number, since it uses less digits than its factorization.

80616982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40308493.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 80616982 is about 8978.6960077731. The cubic root of 80616982 is about 431.9918086867.

The spelling of 80616982 in words is "eighty million, six hundred sixteen thousand, nine hundred eighty-two".