80523536 has 40 divisors (see below), whose sum is σ = 160000920. Its totient is φ = 39243776.

The previous prime is 80523503. The next prime is 80523557. The reversal of 80523536 is 63532508.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 77440000 = 1756^2 + 8800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227936 + ... + 228288.

It is an arithmetic number, because the mean of its divisors is an integer number (4000023).

Almost surely, 2^80523536 is an apocalyptic number.

It is an amenable number.

80523536 is a deficient number, since it is larger than the sum of its proper divisors (79477384).

80523536 is a wasteful number, since it uses less digits than its factorization.

80523536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 80523536 is about 8973.4907366086. The cubic root of 80523536 is about 431.8248318170.

The spelling of 80523536 in words is "eighty million, five hundred twenty-three thousand, five hundred thirty-six".