80654917 has 8 divisors (see below), whose sum is σ = 92412416. Its totient is φ = 68956272.

The previous prime is 80654911. The next prime is 80654927. The reversal of 80654917 is 71945608.

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

It is a de Polignac number, because none of the positive numbers 2^k-80654917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80654917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80654911) 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, 11733 + ... + 17290.

It is an arithmetic number, because the mean of its divisors is an integer number (11551552).

Almost surely, 2^80654917 is an apocalyptic number.

It is an amenable number.

80654917 is a deficient number, since it is larger than the sum of its proper divisors (11757499).

80654917 is a wasteful number, since it uses less digits than its factorization.

80654917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29427.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 80654917 is about 8980.8082598394. The cubic root of 80654917 is about 432.0595571895.

The spelling of 80654917 in words is "eighty million, six hundred fifty-four thousand, nine hundred seventeen".