78324027 has 8 divisors (see below), whose sum is σ = 106860864. Its totient is φ = 51001608.

The previous prime is 78324019. The next prime is 78324031. The reversal of 78324027 is 72042387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78324027 - 2³ = 78324019 is a prime.

It is a super-2 number, since 2×78324027² = 12269306410993458, 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 not an unprimeable number, because it can be changed into a prime (78324007) by changing a digit.

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, 303453 + ... + 303710.

It is an arithmetic number, because the mean of its divisors is an integer number (13357608).

Almost surely, 2^78324027 is an apocalyptic number.

78324027 is a deficient number, since it is larger than the sum of its proper divisors (28536837).

78324027 is a wasteful number, since it uses less digits than its factorization.

78324027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607209.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 78324027 is about 8850.0862707660. The cubic root of 78324027 is about 427.8566989762.

The spelling of 78324027 in words is "seventy-eight million, three hundred twenty-four thousand, twenty-seven".