78563334144 has 48 divisors (see below), whose sum is σ = 209451092760. Its totient is φ = 26187776000.

The previous prime is 78563334133. The next prime is 78563334163. The reversal of 78563334144 is 44143336587.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 78563334093 and 78563334102.

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, 6387357 + ... + 6399644.

Almost surely, 2^78563334144 is an apocalyptic number.

It is an amenable number.

78563334144 is an abundant number, since it is smaller than the sum of its proper divisors (130887758616).

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

78563334144 is a wasteful number, since it uses less digits than its factorization.

78563334144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787026 (or 12787006 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 48.

The spelling of 78563334144 in words is "seventy-eight billion, five hundred sixty-three million, three hundred thirty-four thousand, one hundred forty-four".