80309616 has 40 divisors (see below), whose sum is σ = 208565520. Its totient is φ = 26628096.

The previous prime is 80309597. The next prime is 80309633. The reversal of 80309616 is 61690308.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (5214138).

Almost surely, 2^80309616 is an apocalyptic number.

It is an amenable number.

80309616 is an abundant number, since it is smaller than the sum of its proper divisors (128255904).

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

80309616 is a wasteful number, since it uses less digits than its factorization.

80309616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873 (or 8867 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 80309616 is about 8961.5632564860. The cubic root of 80309616 is about 431.4420953070.

The spelling of 80309616 in words is "eighty million, three hundred nine thousand, six hundred sixteen".