78627164 has 36 divisors (see below), whose sum is σ = 174618360. Its totient is φ = 30633120.

The previous prime is 78627121. The next prime is 78627169. The reversal of 78627164 is 46172687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78627169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16079 + ... + 20390.

It is an arithmetic number, because the mean of its divisors is an integer number (4850510).

Almost surely, 2^78627164 is an apocalyptic number.

It is an amenable number.

78627164 is an abundant number, since it is smaller than the sum of its proper divisors (95991196).

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

78627164 is a wasteful number, since it uses less digits than its factorization.

78627164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36498 (or 36489 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 78627164 is about 8867.1959491149. The cubic root of 78627164 is about 428.4079654492.

The spelling of 78627164 in words is "seventy-eight million, six hundred twenty-seven thousand, one hundred sixty-four".