80064520 has 32 divisors (see below), whose sum is σ = 180509400. Its totient is φ = 31961088.

The previous prime is 80064497. The next prime is 80064527. The reversal of 80064520 is 2546008.

It can be written as a sum of positive squares in 4 ways, for example, as 66683556 + 13380964 = 8166^2 + 3658^2 .

It is not an unprimeable number, because it can be changed into a prime (80064527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21346 + ... + 24814.

Almost surely, 2^80064520 is an apocalyptic number.

It is an amenable number.

80064520 is an abundant number, since it is smaller than the sum of its proper divisors (100444880).

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

80064520 is a wasteful number, since it uses less digits than its factorization.

80064520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4053 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 80064520 is about 8947.8779607234. The cubic root of 80064520 is about 431.0027436514.

The spelling of 80064520 in words is "eighty million, sixty-four thousand, five hundred twenty".