80027520 has 64 divisors (see below), whose sum is σ = 255093840. Its totient is φ = 21340160.

The previous prime is 80027513. The next prime is 80027533. The reversal of 80027520 is 2572008.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18921 + ... + 22760.

Almost surely, 2^80027520 is an apocalyptic number.

80027520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80027520 is an abundant number, since it is smaller than the sum of its proper divisors (175066320).

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

80027520 is a wasteful number, since it uses less digits than its factorization.

80027520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41703 (or 41691 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 80027520 is about 8945.8101924868. The cubic root of 80027520 is about 430.9363407109.

Adding to 80027520 its reverse (2572008), we get a palindrome (82599528).

The spelling of 80027520 in words is "eighty million, twenty-seven thousand, five hundred twenty".