78684162 has 16 divisors (see below), whose sum is σ = 158840352. Its totient is φ = 25982720.

The previous prime is 78684119. The next prime is 78684167. The reversal of 78684162 is 26148687.

It is not an unprimeable number, because it can be changed into a prime (78684167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60639 + ... + 61922.

It is an arithmetic number, because the mean of its divisors is an integer number (9927522).

Almost surely, 2^78684162 is an apocalyptic number.

78684162 is an abundant number, since it is smaller than the sum of its proper divisors (80156190).

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

78684162 is a wasteful number, since it uses less digits than its factorization.

78684162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122673.

The product of its digits is 129024, while the sum is 42.

The square root of 78684162 is about 8870.4093479388. The cubic root of 78684162 is about 428.5114602124.

It can be divided in two parts, 786 and 84162, that added together give a palindrome (84948).

The spelling of 78684162 in words is "seventy-eight million, six hundred eighty-four thousand, one hundred sixty-two".