80303528 has 8 divisors (see below), whose sum is σ = 150569130. Its totient is φ = 40151760.

The previous prime is 80303527. The next prime is 80303537. The reversal of 80303528 is 82530308.

It can be written as a sum of positive squares in only one way, i.e., 49589764 + 30713764 = 7042^2 + 5542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 80303528.

It is not an unprimeable number, because it can be changed into a prime (80303521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018963 + ... + 5018978.

Almost surely, 2^80303528 is an apocalyptic number.

It is an amenable number.

80303528 is a deficient number, since it is larger than the sum of its proper divisors (70265602).

80303528 is a wasteful number, since it uses less digits than its factorization.

80303528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037947 (or 10037943 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 80303528 is about 8961.2235771685. The cubic root of 80303528 is about 431.4311929769.

The spelling of 80303528 in words is "eighty million, three hundred three thousand, five hundred twenty-eight".