78846336 has 48 divisors (see below), whose sum is σ = 226891860. Its totient is φ = 26281728.

The previous prime is 78846329. The next prime is 78846373. The reversal of 78846336 is 63364887.

78846336 is a `hidden beast` number, since 7 + 8 + 8 + 4 + 633 + 6 = 666.

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

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78846291 and 78846300.

It is a congruent number.

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, 33070 + ... + 35373.

Almost surely, 2^78846336 is an apocalyptic number.

It is an amenable number.

78846336 is an abundant number, since it is smaller than the sum of its proper divisors (148045524).

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

78846336 is a wasteful number, since it uses less digits than its factorization.

78846336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68463 (or 68448 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 78846336 is about 8879.5459343370. The cubic root of 78846336 is about 428.8056563448.

The spelling of 78846336 in words is "seventy-eight million, eight hundred forty-six thousand, three hundred thirty-six".