78784548016 has 20 divisors (see below), whose sum is σ = 152684553952. Its totient is φ = 39382082496.

The previous prime is 78784548001. The next prime is 78784548041. The reversal of 78784548016 is 61084548787.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573000 + ... + 697063.

Almost surely, 2^78784548016 is an apocalyptic number.

It is an amenable number.

78784548016 is a deficient number, since it is larger than the sum of its proper divisors (73900005936).

78784548016 is a wasteful number, since it uses less digits than its factorization.

78784548016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273948 (or 1273942 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 78784548016 in words is "seventy-eight billion, seven hundred eighty-four million, five hundred forty-eight thousand, sixteen".