78548616 has 80 divisors (see below), whose sum is σ = 225205200. Its totient is φ = 25564896.

The previous prime is 78548599. The next prime is 78548621. The reversal of 78548616 is 61684587.

It is a happy number.

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

Its product of digits (322560) is a multiple of the sum of its prime factors (2880).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26455 + ... + 29273.

It is an arithmetic number, because the mean of its divisors is an integer number (2815065).

Almost surely, 2^78548616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78548616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112602600).

78548616 is an abundant number, since it is smaller than the sum of its proper divisors (146656584).

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

78548616 is a wasteful number, since it uses less digits than its factorization.

78548616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2867 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 78548616 is about 8862.7657082877. The cubic root of 78548616 is about 428.2652590402.

The spelling of 78548616 in words is "seventy-eight million, five hundred forty-eight thousand, six hundred sixteen".