78933250 has 32 divisors (see below), whose sum is σ = 161201664. Its totient is φ = 28702000.

The previous prime is 78933229. The next prime is 78933289. The reversal of 78933250 is 5233987.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11602 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (5037552).

Almost surely, 2^78933250 is an apocalyptic number.

78933250 is an abundant number, since it is smaller than the sum of its proper divisors (82268414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78933250 is a wasteful number, since it uses less digits than its factorization.

78933250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731 (or 28721 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 78933250 is about 8884.4386429307. The cubic root of 78933250 is about 428.9631590303.

The spelling of 78933250 in words is "seventy-eight million, nine hundred thirty-three thousand, two hundred fifty".