80908647 has 16 divisors (see below), whose sum is σ = 110117760. Its totient is φ = 52826400.

The previous prime is 80908609. The next prime is 80908657. The reversal of 80908647 is 74680908.

It is a happy number.

It is not a de Polignac number, because 80908647 - 2⁷ = 80908519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80908599 and 80908608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80908657) 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, 57897 + ... + 59277.

It is an arithmetic number, because the mean of its divisors is an integer number (6882360).

Almost surely, 2^80908647 is an apocalyptic number.

80908647 is a deficient number, since it is larger than the sum of its proper divisors (29209113).

80908647 is a wasteful number, since it uses less digits than its factorization.

80908647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 80908647 is about 8994.9234015638. The cubic root of 80908647 is about 432.5121508609.

The spelling of 80908647 in words is "eighty million, nine hundred eight thousand, six hundred forty-seven".