80219802 has 32 divisors (see below), whose sum is σ = 174065472. Its totient is φ = 24499584.

The previous prime is 80219801. The next prime is 80219857. The reversal of 80219802 is 20891208.

It is a self number, because there is not a number n which added to its sum of digits gives 80219802.

It is not an unprimeable number, because it can be changed into a prime (80219801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6933 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (5439546).

Almost surely, 2^80219802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80219802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87032736).

80219802 is an abundant number, since it is smaller than the sum of its proper divisors (93845670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80219802 is a wasteful number, since it uses less digits than its factorization.

80219802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 80219802 is about 8956.5507869938. The cubic root of 80219802 is about 431.2812013552.

The spelling of 80219802 in words is "eighty million, two hundred nineteen thousand, eight hundred two".