80986111 has 8 divisors (see below), whose sum is σ = 83092464. Its totient is φ = 78886080.

The previous prime is 80986099. The next prime is 80986117. The reversal of 80986111 is 11168908.

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 80986111 - 2¹⁷ = 80855039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80986117) 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, 35085 + ... + 37321.

It is an arithmetic number, because the mean of its divisors is an integer number (10386558).

Almost surely, 2^80986111 is an apocalyptic number.

80986111 is a deficient number, since it is larger than the sum of its proper divisors (2106353).

80986111 is a wasteful number, since it uses less digits than its factorization.

80986111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 80986111 is about 8999.2283558092. The cubic root of 80986111 is about 432.6501395499.

The spelling of 80986111 in words is "eighty million, nine hundred eighty-six thousand, one hundred eleven".