78016288 has 24 divisors (see below), whose sum is σ = 175537152. Its totient is φ = 33435456.

The previous prime is 78016271. The next prime is 78016297. The reversal of 78016288 is 88261087.

It is a self number, because there is not a number n which added to its sum of digits gives 78016288.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173920 + ... + 174367.

It is an arithmetic number, because the mean of its divisors is an integer number (7314048).

Almost surely, 2^78016288 is an apocalyptic number.

It is an amenable number.

78016288 is an abundant number, since it is smaller than the sum of its proper divisors (97520864).

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

78016288 is a wasteful number, since it uses less digits than its factorization.

78016288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348304 (or 348296 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 78016288 is about 8832.6829446098. The cubic root of 78016288 is about 427.2956067258.

The spelling of 78016288 in words is "seventy-eight million, sixteen thousand, two hundred eighty-eight".