78763876 has 12 divisors (see below), whose sum is σ = 138923008. Its totient is φ = 39071592.

The previous prime is 78763847. The next prime is 78763889. The reversal of 78763876 is 67836787.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77016 + ... + 78031.

Almost surely, 2^78763876 is an apocalyptic number.

It is an amenable number.

78763876 is a deficient number, since it is larger than the sum of its proper divisors (60159132).

78763876 is a wasteful number, since it uses less digits than its factorization.

78763876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155178 (or 155176 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 52.

The square root of 78763876 is about 8874.9014642417. The cubic root of 78763876 is about 428.6561180148.

The spelling of 78763876 in words is "seventy-eight million, seven hundred sixty-three thousand, eight hundred seventy-six".