78946848 has 36 divisors (see below), whose sum is σ = 224505918. Its totient is φ = 26315520.

The previous prime is 78946823. The next prime is 78946859. The reversal of 78946848 is 84864987.

It can be written as a sum of positive squares in only one way, i.e., 48608784 + 30338064 = 6972^2 + 5508^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 78946794 and 78946803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136773 + ... + 137348.

Almost surely, 2^78946848 is an apocalyptic number.

It is an amenable number.

78946848 is an abundant number, since it is smaller than the sum of its proper divisors (145559070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78946848 is a wasteful number, since it uses less digits than its factorization.

78946848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274137 (or 274126 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 78946848 is about 8885.2038806096. The cubic root of 78946848 is about 428.9877904165.

The spelling of 78946848 in words is "seventy-eight million, nine hundred forty-six thousand, eight hundred forty-eight".