80821106 has 8 divisors (see below), whose sum is σ = 123811200. Its totient is φ = 39550708.

The previous prime is 80821093. The next prime is 80821151. The reversal of 80821106 is 60112808.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429806 + ... + 429993.

It is an arithmetic number, because the mean of its divisors is an integer number (15476400).

Almost surely, 2^80821106 is an apocalyptic number.

80821106 is a deficient number, since it is larger than the sum of its proper divisors (42990094).

80821106 is a wasteful number, since it uses less digits than its factorization.

80821106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859848.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 80821106 is about 8990.0559508826. The cubic root of 80821106 is about 432.3561056946.

The spelling of 80821106 in words is "eighty million, eight hundred twenty-one thousand, one hundred six".