80785946 has 8 divisors (see below), whose sum is σ = 121220064. Its totient is φ = 40379260.

The previous prime is 80785937. The next prime is 80785951. The reversal of 80785946 is 64958708.

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

It is a super-2 number, since 2×80785946² = 13052738142229832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80785946.

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, 3851 + ... + 13281.

It is an arithmetic number, because the mean of its divisors is an integer number (15152508).

Almost surely, 2^80785946 is an apocalyptic number.

80785946 is a deficient number, since it is larger than the sum of its proper divisors (40434118).

80785946 is a wasteful number, since it uses less digits than its factorization.

80785946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13716.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 80785946 is about 8988.1002442118. The cubic root of 80785946 is about 432.2933999387.

The spelling of 80785946 in words is "eighty million, seven hundred eighty-five thousand, nine hundred forty-six".