80213856 has 48 divisors (see below), whose sum is σ = 213119424. Its totient is φ = 26413184.

The previous prime is 80213843. The next prime is 80213879. The reversal of 80213856 is 65831208.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935 + ... + 13001.

It is an arithmetic number, because the mean of its divisors is an integer number (4439988).

Almost surely, 2^80213856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80213856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106559712).

80213856 is an abundant number, since it is smaller than the sum of its proper divisors (132905568).

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

80213856 is a wasteful number, since it uses less digits than its factorization.

80213856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10163 (or 10155 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 80213856 is about 8956.2188450261. The cubic root of 80213856 is about 431.2705453770.

The spelling of 80213856 in words is "eighty million, two hundred thirteen thousand, eight hundred fifty-six".