78823049152 has 28 divisors (see below), whose sum is σ = 156762907200. Its totient is φ = 39323734016.

The previous prime is 78823049147. The next prime is 78823049183. The reversal of 78823049152 is 25194032887.

It is a junction number, because it is equal to n+sod(n) for n = 78823049096 and 78823049105.

It is a congruent number.

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, 1342768 + ... + 1400239.

Almost surely, 2^78823049152 is an apocalyptic number.

It is an amenable number.

78823049152 is a deficient number, since it is larger than the sum of its proper divisors (77939858048).

78823049152 is a wasteful number, since it uses less digits than its factorization.

78823049152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743468 (or 2743458 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 78823049152 in words is "seventy-eight billion, eight hundred twenty-three million, forty-nine thousand, one hundred fifty-two".