78088504 has 64 divisors (see below), whose sum is σ = 166199040. Its totient is φ = 34145280.

The previous prime is 78088489. The next prime is 78088513. The reversal of 78088504 is 40588087.

Together with 88110536 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170644 + ... + 171100.

It is an arithmetic number, because the mean of its divisors is an integer number (2596860).

Almost surely, 2^78088504 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 78088504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83099520).

78088504 is an abundant number, since it is smaller than the sum of its proper divisors (88110536).

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

78088504 is a wasteful number, since it uses less digits than its factorization.

78088504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 78088504 is about 8836.7699981385. The cubic root of 78088504 is about 427.4274085332.

The spelling of 78088504 in words is "seventy-eight million, eighty-eight thousand, five hundred four".