80986217 has 8 divisors (see below), whose sum is σ = 89072256. Its totient is φ = 73165392.

The previous prime is 80986201. The next prime is 80986219. The reversal of 80986217 is 71268908.

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 80986217 - 2⁴ = 80986201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80986219) 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, 65663 + ... + 66884.

It is an arithmetic number, because the mean of its divisors is an integer number (11134032).

Almost surely, 2^80986217 is an apocalyptic number.

It is an amenable number.

80986217 is a deficient number, since it is larger than the sum of its proper divisors (8086039).

80986217 is a wasteful number, since it uses less digits than its factorization.

80986217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132607.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 80986217 is about 8999.2342452011. The cubic root of 80986217 is about 432.6503283102.

The spelling of 80986217 in words is "eighty million, nine hundred eighty-six thousand, two hundred seventeen".