78468316 has 24 divisors (see below), whose sum is σ = 146643840. Its totient is φ = 36657600.

The previous prime is 78468293. The next prime is 78468319. The reversal of 78468316 is 61386487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78468319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 14506.

It is an arithmetic number, because the mean of its divisors is an integer number (6110160).

Almost surely, 2^78468316 is an apocalyptic number.

It is an amenable number.

78468316 is a deficient number, since it is larger than the sum of its proper divisors (68175524).

78468316 is a wasteful number, since it uses less digits than its factorization.

78468316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885 (or 21883 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 78468316 is about 8858.2343613160. The cubic root of 78468316 is about 428.1192712111.

The spelling of 78468316 in words is "seventy-eight million, four hundred sixty-eight thousand, three hundred sixteen".