80648647 has 8 divisors (see below), whose sum is σ = 81450720. Its totient is φ = 79850400.

The previous prime is 80648609. The next prime is 80648657. The reversal of 80648647 is 74684608.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80648647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80648657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58053 + ... + 59425.

It is an arithmetic number, because the mean of its divisors is an integer number (10181340).

Almost surely, 2^80648647 is an apocalyptic number.

80648647 is a deficient number, since it is larger than the sum of its proper divisors (802073).

80648647 is a wasteful number, since it uses less digits than its factorization.

80648647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 80648647 is about 8980.4591753429. The cubic root of 80648647 is about 432.0483609983.

The spelling of 80648647 in words is "eighty million, six hundred forty-eight thousand, six hundred forty-seven".