78333208 has 16 divisors (see below), whose sum is σ = 150000480. Its totient is φ = 38333088.

The previous prime is 78333169. The next prime is 78333209. The reversal of 78333208 is 80233387.

It is a happy number.

It is a super-2 number, since 2×78333208² = 12272182951142528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78333209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103791 + ... + 104542.

It is an arithmetic number, because the mean of its divisors is an integer number (9375030).

Almost surely, 2^78333208 is an apocalyptic number.

It is an amenable number.

78333208 is a deficient number, since it is larger than the sum of its proper divisors (71667272).

78333208 is a wasteful number, since it uses less digits than its factorization.

78333208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208386 (or 208382 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 78333208 is about 8850.6049510754. The cubic root of 78333208 is about 427.8734158511.

The spelling of 78333208 in words is "seventy-eight million, three hundred thirty-three thousand, two hundred eight".