78503348 has 144 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 27202560.

The previous prime is 78503323. The next prime is 78503357. The reversal of 78503348 is 84330587.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1670261 + ... + 1670307.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^78503348 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 78503348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080).

78503348 is an abundant number, since it is smaller than the sum of its proper divisors (114548812).

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

78503348 is a wasteful number, since it uses less digits than its factorization.

78503348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 78503348 is about 8860.2115098907. The cubic root of 78503348 is about 428.1829726884.

The spelling of 78503348 in words is "seventy-eight million, five hundred three thousand, three hundred forty-eight".