78324367 has 8 divisors (see below), whose sum is σ = 85509072. Its totient is φ = 71150400.

The previous prime is 78324359. The next prime is 78324373. The reversal of 78324367 is 76342387.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78324367 - 2³ = 78324359 is a prime.

It is a super-2 number, since 2×78324367² = 12269412931901378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78324377) 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, 25393 + ... + 28309.

It is an arithmetic number, because the mean of its divisors is an integer number (10688634).

Almost surely, 2^78324367 is an apocalyptic number.

78324367 is a deficient number, since it is larger than the sum of its proper divisors (7184705).

78324367 is a wasteful number, since it uses less digits than its factorization.

78324367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369.

The product of its digits is 169344, while the sum is 40.

The square root of 78324367 is about 8850.1054795974. The cubic root of 78324367 is about 427.8573180756.

The spelling of 78324367 in words is "seventy-eight million, three hundred twenty-four thousand, three hundred sixty-seven".