80642246 has 8 divisors (see below), whose sum is σ = 121001520. Its totient is φ = 40308408.

The previous prime is 80642239. The next prime is 80642257. The reversal of 80642246 is 64224608.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8735 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (15125190).

Almost surely, 2^80642246 is an apocalyptic number.

80642246 is a deficient number, since it is larger than the sum of its proper divisors (40359274).

80642246 is a wasteful number, since it uses less digits than its factorization.

80642246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12718.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 80642246 is about 8980.1027833761. The cubic root of 80642246 is about 432.0369302848.

The spelling of 80642246 in words is "eighty million, six hundred forty-two thousand, two hundred forty-six".