80384915 has 16 divisors (see below), whose sum is σ = 109351200. Its totient is φ = 56236032.

The previous prime is 80384911. The next prime is 80384939. The reversal of 80384915 is 51948308.

It is a cyclic number.

It is not a de Polignac number, because 80384915 - 2² = 80384911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80384911) by changing a digit.

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, 31310 + ... + 33779.

It is an arithmetic number, because the mean of its divisors is an integer number (6834450).

Almost surely, 2^80384915 is an apocalyptic number.

80384915 is a deficient number, since it is larger than the sum of its proper divisors (28966285).

80384915 is a wasteful number, since it uses less digits than its factorization.

80384915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65126.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80384915 is about 8965.7634923078. The cubic root of 80384915 is about 431.5768944831.

The spelling of 80384915 in words is "eighty million, three hundred eighty-four thousand, nine hundred fifteen".