78843568 has 10 divisors (see below), whose sum is σ = 152759444. Its totient is φ = 39421776.

The previous prime is 78843511. The next prime is 78843599. The reversal of 78843568 is 86534887.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2463846 + ... + 2463877.

Almost surely, 2^78843568 is an apocalyptic number.

It is an amenable number.

78843568 is a deficient number, since it is larger than the sum of its proper divisors (73915876).

78843568 is a wasteful number, since it uses less digits than its factorization.

78843568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927731 (or 4927725 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 78843568 is about 8879.3900691433. The cubic root of 78843568 is about 428.8006383651.

The spelling of 78843568 in words is "seventy-eight million, eight hundred forty-three thousand, five hundred sixty-eight".