80338821 has 24 divisors (see below), whose sum is σ = 119803680. Its totient is φ = 47745792.

The previous prime is 80338799. The next prime is 80338823. The reversal of 80338821 is 12883308.

It is not a de Polignac number, because 80338821 - 2⁵ = 80338789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80338823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14035 + ... + 18911.

It is an arithmetic number, because the mean of its divisors is an integer number (4991820).

Almost surely, 2^80338821 is an apocalyptic number.

It is an amenable number.

80338821 is a deficient number, since it is larger than the sum of its proper divisors (39464859).

80338821 is a wasteful number, since it uses less digits than its factorization.

80338821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933 (or 4916 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 80338821 is about 8963.1925673836. The cubic root of 80338821 is about 431.4943876723.

The spelling of 80338821 in words is "eighty million, three hundred thirty-eight thousand, eight hundred twenty-one".