80447484 has 48 divisors (see below), whose sum is σ = 203565600. Its totient is φ = 24579840.

The previous prime is 80447467. The next prime is 80447489. The reversal of 80447484 is 48474408.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80447489) 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, 21514 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (4240950).

Almost surely, 2^80447484 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 80447484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101782800).

80447484 is an abundant number, since it is smaller than the sum of its proper divisors (123118116).

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

80447484 is a wasteful number, since it uses less digits than its factorization.

80447484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 80447484 is about 8969.2521427374. The cubic root of 80447484 is about 431.6888405764.

The spelling of 80447484 in words is "eighty million, four hundred forty-seven thousand, four hundred eighty-four".