78982546 has 8 divisors (see below), whose sum is σ = 118523520. Its totient is φ = 39474708.

The previous prime is 78982517. The next prime is 78982559. The reversal of 78982546 is 64528987.

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 78982546.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1066 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (14815440).

Almost surely, 2^78982546 is an apocalyptic number.

78982546 is a deficient number, since it is larger than the sum of its proper divisors (39540974).

78982546 is a wasteful number, since it uses less digits than its factorization.

78982546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568.

The product of its digits is 967680, while the sum is 49.

The square root of 78982546 is about 8887.2124988660. The cubic root of 78982546 is about 429.0524402364.

The spelling of 78982546 in words is "seventy-eight million, nine hundred eighty-two thousand, five hundred forty-six".