80517930 has 32 divisors (see below), whose sum is σ = 197740224. Its totient is φ = 20971776.

The previous prime is 80517929. The next prime is 80517989. The reversal of 80517930 is 3971508.

It is a junction number, because it is equal to n+sod(n) for n = 80517891 and 80517900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29919 + ... + 32498.

It is an arithmetic number, because the mean of its divisors is an integer number (6179382).

Almost surely, 2^80517930 is an apocalyptic number.

80517930 is an abundant number, since it is smaller than the sum of its proper divisors (117222294).

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

80517930 is a wasteful number, since it uses less digits than its factorization.

80517930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62470.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 80517930 is about 8973.1783666658. The cubic root of 80517930 is about 431.8148104563.

The spelling of 80517930 in words is "eighty million, five hundred seventeen thousand, nine hundred thirty".