80659946 has 8 divisors (see below), whose sum is σ = 121028160. Its totient is φ = 40317228.

The previous prime is 80659897. The next prime is 80659949. The reversal of 80659946 is 64995608.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80659946.

It is not an unprimeable number, because it can be changed into a prime (80659949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8225 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (15128520).

Almost surely, 2^80659946 is an apocalyptic number.

80659946 is a deficient number, since it is larger than the sum of its proper divisors (40368214).

80659946 is a wasteful number, since it uses less digits than its factorization.

80659946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 80659946 is about 8981.0882414104. The cubic root of 80659946 is about 432.0685369369.

The spelling of 80659946 in words is "eighty million, six hundred fifty-nine thousand, nine hundred forty-six".