78896668 has 24 divisors (see below), whose sum is σ = 142143680. Its totient is φ = 38301120.

The previous prime is 78896621. The next prime is 78896717. The reversal of 78896668 is 86669887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17230 + ... + 21322.

Almost surely, 2^78896668 is an apocalyptic number.

It is an amenable number.

78896668 is a deficient number, since it is larger than the sum of its proper divisors (63247012).

78896668 is a wasteful number, since it uses less digits than its factorization.

78896668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4235 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 78896668 is about 8882.3796361110. The cubic root of 78896668 is about 428.8968804335.

The spelling of 78896668 in words is "seventy-eight million, eight hundred ninety-six thousand, six hundred sixty-eight".