78937872 has 120 divisors (see below), whose sum is σ = 227646144. Its totient is φ = 23542272.

The previous prime is 78937801. The next prime is 78937877. The reversal of 78937872 is 27873987.

It is not an unprimeable number, because it can be changed into a prime (78937877) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 300013 + ... + 300275.

Almost surely, 2^78937872 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 78937872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113823072).

78937872 is an abundant number, since it is smaller than the sum of its proper divisors (148708272).

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

78937872 is a wasteful number, since it uses less digits than its factorization.

78937872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 318 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 78937872 is about 8884.6987568516. The cubic root of 78937872 is about 428.9715316279.

The spelling of 78937872 in words is "seventy-eight million, nine hundred thirty-seven thousand, eight hundred seventy-two".