80834380 has 48 divisors (see below), whose sum is σ = 187568640. Its totient is φ = 29016000.

The previous prime is 80834359. The next prime is 80834389. The reversal of 80834380 is 8343808.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80834389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15055 + ... + 19705.

It is an arithmetic number, because the mean of its divisors is an integer number (3907680).

Almost surely, 2^80834380 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 80834380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93784320).

80834380 is an abundant number, since it is smaller than the sum of its proper divisors (106734260).

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

80834380 is a wasteful number, since it uses less digits than its factorization.

80834380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 80834380 is about 8990.7941807162. The cubic root of 80834380 is about 432.3797743502.

The spelling of 80834380 in words is "eighty million, eight hundred thirty-four thousand, three hundred eighty".