78843148 has 6 divisors (see below), whose sum is σ = 137975516. Its totient is φ = 39421572.

The previous prime is 78843133. The next prime is 78843169. The reversal of 78843148 is 84134887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9855390 + ... + 9855397.

Almost surely, 2^78843148 is an apocalyptic number.

It is an amenable number.

78843148 is a deficient number, since it is larger than the sum of its proper divisors (59132368).

78843148 is a wasteful number, since it uses less digits than its factorization.

78843148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19710791 (or 19710789 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 78843148 is about 8879.3664188387. The cubic root of 78843148 is about 428.7998769561.

The spelling of 78843148 in words is "seventy-eight million, eight hundred forty-three thousand, one hundred forty-eight".