80807530 has 16 divisors (see below), whose sum is σ = 145557504. Its totient is φ = 32299920.

The previous prime is 80807509. The next prime is 80807549. The reversal of 80807530 is 3570808.

It is a super-3 number, since 3×80807530³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80807492 and 80807501.

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, 22135 + ... + 25525.

It is an arithmetic number, because the mean of its divisors is an integer number (9097344).

Almost surely, 2^80807530 is an apocalyptic number.

80807530 is a deficient number, since it is larger than the sum of its proper divisors (64749974).

80807530 is a wasteful number, since it uses less digits than its factorization.

80807530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 80807530 is about 8989.3008626923. The cubic root of 80807530 is about 432.3318958668.

The spelling of 80807530 in words is "eighty million, eight hundred seven thousand, five hundred thirty".