80278032 has 80 divisors (see below), whose sum is σ = 217039680. Its totient is φ = 25536000.

The previous prime is 80278019. The next prime is 80278039. The reversal of 80278032 is 23087208.

It is not an unprimeable number, because it can be changed into a prime (80278039) 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, 140307 + ... + 140877.

It is an arithmetic number, because the mean of its divisors is an integer number (2712996).

Almost surely, 2^80278032 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 80278032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108519840).

80278032 is an abundant number, since it is smaller than the sum of its proper divisors (136761648).

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

80278032 is a wasteful number, since it uses less digits than its factorization.

80278032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 80278032 is about 8959.8008906448. The cubic root of 80278032 is about 431.3855290054.

The spelling of 80278032 in words is "eighty million, two hundred seventy-eight thousand, thirty-two".