80257699 has 8 divisors (see below), whose sum is σ = 82861280. Its totient is φ = 77677056.

The previous prime is 80257643. The next prime is 80257711. The reversal of 80257699 is 99675208.

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

It is a cyclic number.

It is not a de Polignac number, because 80257699 - 2¹⁹ = 79733411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80257609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522 + ... + 12760.

It is an arithmetic number, because the mean of its divisors is an integer number (10357660).

Almost surely, 2^80257699 is an apocalyptic number.

80257699 is a deficient number, since it is larger than the sum of its proper divisors (2603581).

80257699 is a wasteful number, since it uses less digits than its factorization.

80257699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 80257699 is about 8958.6661395545. Note that the first 3 decimals coincide. The cubic root of 80257699 is about 431.3491051653.

The spelling of 80257699 in words is "eighty million, two hundred fifty-seven thousand, six hundred ninety-nine".