80078016 has 56 divisors (see below), whose sum is σ = 213069424. Its totient is φ = 26542080.

The previous prime is 80077999. The next prime is 80078021. The reversal of 80078016 is 61087008.

80078016 is nontrivially palindromic in base 5.

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 7 ways as a sum of consecutive naturals, for example, 35976 + ... + 38136.

Almost surely, 2^80078016 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 80078016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106534712).

80078016 is an abundant number, since it is smaller than the sum of its proper divisors (132991408).

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

80078016 is a wasteful number, since it uses less digits than its factorization.

80078016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 80078016 is about 8948.6320742335. The cubic root of 80078016 is about 431.0269594806.

The spelling of 80078016 in words is "eighty million, seventy-eight thousand, sixteen".