80680530 has 32 divisors (see below), whose sum is σ = 221295744. Its totient is φ = 18441216.

The previous prime is 80680519. The next prime is 80680543. The reversal of 80680530 is 3508608.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 191887 + ... + 192306.

It is an arithmetic number, because the mean of its divisors is an integer number (6915492).

Almost surely, 2^80680530 is an apocalyptic number.

80680530 is an abundant number, since it is smaller than the sum of its proper divisors (140615214).

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

80680530 is a wasteful number, since it uses less digits than its factorization.

80680530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384210.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80680530 is about 8982.2341318850. The cubic root of 80680530 is about 432.1052876944.

The spelling of 80680530 in words is "eighty million, six hundred eighty thousand, five hundred thirty".