80652689 has 8 divisors (see below), whose sum is σ = 86954112. Its totient is φ = 74365200.

The previous prime is 80652679. The next prime is 80652703. The reversal of 80652689 is 98625608.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80652689 - 2⁸ = 80652433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80652619) 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 7 ways as a sum of consecutive naturals, for example, 10712 + ... + 16614.

It is an arithmetic number, because the mean of its divisors is an integer number (10869264).

Almost surely, 2^80652689 is an apocalyptic number.

It is an amenable number.

80652689 is a deficient number, since it is larger than the sum of its proper divisors (6301423).

80652689 is a wasteful number, since it uses less digits than its factorization.

80652689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6967.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 80652689 is about 8980.6842166953. The cubic root of 80652689 is about 432.0555787689.

The spelling of 80652689 in words is "eighty million, six hundred fifty-two thousand, six hundred eighty-nine".