78967984 has 10 divisors (see below), whose sum is σ = 153000500. Its totient is φ = 39483984.

The previous prime is 78967963. The next prime is 78968011. The reversal of 78967984 is 48976987.

It is a happy number.

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 as a sum of consecutive naturals, namely, 2467734 + ... + 2467765.

It is an arithmetic number, because the mean of its divisors is an integer number (15300050).

Almost surely, 2^78967984 is an apocalyptic number.

It is an amenable number.

78967984 is a deficient number, since it is larger than the sum of its proper divisors (74032516).

78967984 is a wasteful number, since it uses less digits than its factorization.

78967984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935507 (or 4935501 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 58.

The square root of 78967984 is about 8886.3931940917. The cubic root of 78967984 is about 429.0260705047.

The spelling of 78967984 in words is "seventy-eight million, nine hundred sixty-seven thousand, nine hundred eighty-four".