80478032 has 20 divisors (see below), whose sum is σ = 158484276. Its totient is φ = 39578880.

The previous prime is 80478031. The next prime is 80478061. The reversal of 80478032 is 23087408.

It can be written as a sum of positive squares in 2 ways, for example, as 13957696 + 66520336 = 3736^2 + 8156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80478032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80478031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40253 + ... + 42204.

Almost surely, 2^80478032 is an apocalyptic number.

It is an amenable number.

80478032 is a deficient number, since it is larger than the sum of its proper divisors (78006244).

80478032 is a wasteful number, since it uses less digits than its factorization.

80478032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82526 (or 82520 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80478032 is about 8970.9549101531. The cubic root of 80478032 is about 431.7434748181.

The spelling of 80478032 in words is "eighty million, four hundred seventy-eight thousand, thirty-two".