78873296 has 20 divisors (see below), whose sum is σ = 153480132. Its totient is φ = 39265536.

The previous prime is 78873281. The next prime is 78873329. The reversal of 78873296 is 69237887.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7639696 + 71233600 = 2764^2 + 8440^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6851 + ... + 14306.

Almost surely, 2^78873296 is an apocalyptic number.

It is an amenable number.

78873296 is a deficient number, since it is larger than the sum of its proper divisors (74606836).

78873296 is a wasteful number, since it uses less digits than its factorization.

78873296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21398 (or 21392 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 78873296 is about 8881.0639002318. The cubic root of 78873296 is about 428.8545247458.

The spelling of 78873296 in words is "seventy-eight million, eight hundred seventy-three thousand, two hundred ninety-six".