78988876 has 6 divisors (see below), whose sum is σ = 138230540. Its totient is φ = 39494436.

The previous prime is 78988867. The next prime is 78988879. The reversal of 78988876 is 67888987.

It is not an unprimeable number, because it can be changed into a prime (78988879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9873606 + ... + 9873613.

Almost surely, 2^78988876 is an apocalyptic number.

It is an amenable number.

78988876 is a deficient number, since it is larger than the sum of its proper divisors (59241664).

78988876 is a wasteful number, since it uses less digits than its factorization.

78988876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747223 (or 19747221 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 61.

The square root of 78988876 is about 8887.5686213947. The cubic root of 78988876 is about 429.0639019645.

The spelling of 78988876 in words is "seventy-eight million, nine hundred eighty-eight thousand, eight hundred seventy-six".