78522162 has 8 divisors (see below), whose sum is σ = 157044336. Its totient is φ = 26174052.

The previous prime is 78522151. The next prime is 78522181. The reversal of 78522162 is 26122587.

It is a sphenic number, since it is the product of 3 distinct primes.

78522162 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6543508 + ... + 6543519.

It is an arithmetic number, because the mean of its divisors is an integer number (19630542).

Almost surely, 2^78522162 is an apocalyptic number.

78522162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78522162 is a wasteful number, since it uses less digits than its factorization.

78522162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13087032.

The product of its digits is 13440, while the sum is 33.

The square root of 78522162 is about 8861.2731590895. The cubic root of 78522162 is about 428.2171758622.

The spelling of 78522162 in words is "seventy-eight million, five hundred twenty-two thousand, one hundred sixty-two".