78038133 has 8 divisors (see below), whose sum is σ = 104186208. Its totient is φ = 51957744.

The previous prime is 78038119. The next prime is 78038161. The reversal of 78038133 is 33183087.

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

It is not a de Polignac number, because 78038133 - 2⁴ = 78038117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78038094 and 78038103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78038113) 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, 14166 + ... + 18887.

It is an arithmetic number, because the mean of its divisors is an integer number (13023276).

Almost surely, 2^78038133 is an apocalyptic number.

It is an amenable number.

78038133 is a deficient number, since it is larger than the sum of its proper divisors (26148075).

78038133 is a wasteful number, since it uses less digits than its factorization.

78038133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33843.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 78038133 is about 8833.9194585416. The cubic root of 78038133 is about 427.3354847294.

The spelling of 78038133 in words is "seventy-eight million, thirty-eight thousand, one hundred thirty-three".