78939296 has 24 divisors (see below), whose sum is σ = 164554740. Its totient is φ = 37147648.

The previous prime is 78939293. The next prime is 78939323. The reversal of 78939296 is 69293987.

It can be written as a sum of positive squares in 2 ways, for example, as 76807696 + 2131600 = 8764^2 + 1460^2 .

It is not an unprimeable number, because it can be changed into a prime (78939293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72011 + ... + 73098.

Almost surely, 2^78939296 is an apocalyptic number.

It is an amenable number.

78939296 is an abundant number, since it is smaller than the sum of its proper divisors (85615444).

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

78939296 is a wasteful number, since it uses less digits than its factorization.

78939296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145136 (or 145128 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 78939296 is about 8884.7788942663. The cubic root of 78939296 is about 428.9741110901.

The spelling of 78939296 in words is "seventy-eight million, nine hundred thirty-nine thousand, two hundred ninety-six".