80518284 has 144 divisors (see below), whose sum is σ = 262219776. Its totient is φ = 20217600.

The previous prime is 80518279. The next prime is 80518313. The reversal of 80518284 is 48281508.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85464 + ... + 86400.

Almost surely, 2^80518284 is an apocalyptic number.

80518284 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80518284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131109888).

80518284 is an abundant number, since it is smaller than the sum of its proper divisors (181701492).

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

80518284 is a wasteful number, since it uses less digits than its factorization.

80518284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 80518284 is about 8973.1980920963. The cubic root of 80518284 is about 431.8154432852.

The spelling of 80518284 in words is "eighty million, five hundred eighteen thousand, two hundred eighty-four".