78328014 has 16 divisors (see below), whose sum is σ = 162058320. Its totient is φ = 25208960.

The previous prime is 78327961. The next prime is 78328021. The reversal of 78328014 is 41082387.

It is a super-2 number, since 2×78328014² = 12270555554368392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 224907 + ... + 225254.

It is an arithmetic number, because the mean of its divisors is an integer number (10128645).

Almost surely, 2^78328014 is an apocalyptic number.

78328014 is an abundant number, since it is smaller than the sum of its proper divisors (83730306).

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

78328014 is a wasteful number, since it uses less digits than its factorization.

78328014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450195.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 78328014 is about 8850.3115199410. The cubic root of 78328014 is about 427.8639587141.

The spelling of 78328014 in words is "seventy-eight million, three hundred twenty-eight thousand, fourteen".