80471016 has 64 divisors (see below), whose sum is σ = 225763200. Its totient is φ = 26555904.

The previous prime is 80470963. The next prime is 80471021. The reversal of 80471016 is 61017408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20440 + ... + 24056.

It is an arithmetic number, because the mean of its divisors is an integer number (3527550).

Almost surely, 2^80471016 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 80471016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112881600).

80471016 is an abundant number, since it is smaller than the sum of its proper divisors (145292184).

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

80471016 is a wasteful number, since it uses less digits than its factorization.

80471016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3725 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 80471016 is about 8970.5638618762. The cubic root of 80471016 is about 431.7309281220.

The spelling of 80471016 in words is "eighty million, four hundred seventy-one thousand, sixteen".