78329383 has 8 divisors (see below), whose sum is σ = 85946256. Its totient is φ = 70795200.

The previous prime is 78329371. The next prime is 78329417. The reversal of 78329383 is 38392387.

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 78329383 - 2⁹ = 78328871 is a prime.

It is a super-2 number, since 2×78329383² = 12270984482321378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78329483) 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, 18678 + ... + 22483.

It is an arithmetic number, because the mean of its divisors is an integer number (10743282).

Almost surely, 2^78329383 is an apocalyptic number.

78329383 is a deficient number, since it is larger than the sum of its proper divisors (7616873).

78329383 is a wasteful number, since it uses less digits than its factorization.

78329383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41345.

The product of its digits is 217728, while the sum is 43.

The square root of 78329383 is about 8850.3888615134. The cubic root of 78329383 is about 427.8664514040.

The spelling of 78329383 in words is "seventy-eight million, three hundred twenty-nine thousand, three hundred eighty-three".