80287830 has 96 divisors (see below), whose sum is σ = 246325248. Its totient is φ = 17755200.

The previous prime is 80287813. The next prime is 80287841. The reversal of 80287830 is 3878208.

It is a super-2 number, since 2×80287830² = 12892271292217800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 17475 + ... + 21585.

It is an arithmetic number, because the mean of its divisors is an integer number (2565888).

Almost surely, 2^80287830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80287830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123162624).

80287830 is an abundant number, since it is smaller than the sum of its proper divisors (166037418).

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

80287830 is a wasteful number, since it uses less digits than its factorization.

80287830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4159 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 80287830 is about 8960.3476495056. The cubic root of 80287830 is about 431.4030786113.

The spelling of 80287830 in words is "eighty million, two hundred eighty-seven thousand, eight hundred thirty".