80042986 has 16 divisors (see below), whose sum is σ = 122594688. Its totient is φ = 39186000.

The previous prime is 80042917. The next prime is 80042993. The reversal of 80042986 is 68924008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19576 + ... + 23308.

It is an arithmetic number, because the mean of its divisors is an integer number (7662168).

Almost surely, 2^80042986 is an apocalyptic number.

80042986 is a deficient number, since it is larger than the sum of its proper divisors (42551702).

80042986 is a wasteful number, since it uses less digits than its factorization.

80042986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 80042986 is about 8946.6745777412. The cubic root of 80042986 is about 430.9640996291.

The spelling of 80042986 in words is "eighty million, forty-two thousand, nine hundred eighty-six".