80087681 has 8 divisors (see below), whose sum is σ = 81064800. Its totient is φ = 79115008.

The previous prime is 80087659. The next prime is 80087699. The reversal of 80087681 is 18678008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80087681 - 2⁶ = 80087617 is a prime.

It is a super-2 number, since 2×80087681² = 12828073295915522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80087881) 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, 47210 + ... + 48876.

It is an arithmetic number, because the mean of its divisors is an integer number (10133100).

Almost surely, 2^80087681 is an apocalyptic number.

It is an amenable number.

80087681 is a deficient number, since it is larger than the sum of its proper divisors (977119).

80087681 is a wasteful number, since it uses less digits than its factorization.

80087681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 80087681 is about 8949.1720846121. The cubic root of 80087681 is about 431.0442996870.

The spelling of 80087681 in words is "eighty million, eighty-seven thousand, six hundred eighty-one".