80664837 has 16 divisors (see below), whose sum is σ = 117553152. Its totient is φ = 48795120.

The previous prime is 80664811. The next prime is 80664853. The reversal of 80664837 is 73846608.

It is not a de Polignac number, because 80664837 - 2²² = 76470533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80664877) 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, 18018 + ... + 22044.

It is an arithmetic number, because the mean of its divisors is an integer number (7347072).

Almost surely, 2^80664837 is an apocalyptic number.

It is an amenable number.

80664837 is a deficient number, since it is larger than the sum of its proper divisors (36888315).

80664837 is a wasteful number, since it uses less digits than its factorization.

80664837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 80664837 is about 8981.3605316789. The cubic root of 80664837 is about 432.0772699145.

The spelling of 80664837 in words is "eighty million, six hundred sixty-four thousand, eight hundred thirty-seven".