80648517 has 16 divisors (see below), whose sum is σ = 110440512. Its totient is φ = 52318080.

The previous prime is 80648501. The next prime is 80648537. The reversal of 80648517 is 71584608.

It is not a de Polignac number, because 80648517 - 2⁴ = 80648501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80648537) 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, 71643 + ... + 72759.

It is an arithmetic number, because the mean of its divisors is an integer number (6902532).

Almost surely, 2^80648517 is an apocalyptic number.

It is an amenable number.

80648517 is a deficient number, since it is larger than the sum of its proper divisors (29791995).

80648517 is a wasteful number, since it uses less digits than its factorization.

80648517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 80648517 is about 8980.4519374027. The cubic root of 80648517 is about 432.0481288542.

The spelling of 80648517 in words is "eighty million, six hundred forty-eight thousand, five hundred seventeen".