78855296 has 32 divisors (see below), whose sum is σ = 169182300. Its totient is φ = 36393984.

The previous prime is 78855241. The next prime is 78855307. The reversal of 78855296 is 69255887.

It can be written as a sum of positive squares in 2 ways, for example, as 59845696 + 19009600 = 7736^2 + 4360^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 22031 + ... + 25358.

Almost surely, 2^78855296 is an apocalyptic number.

It is an amenable number.

78855296 is an abundant number, since it is smaller than the sum of its proper divisors (90327004).

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

78855296 is a wasteful number, since it uses less digits than its factorization.

78855296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47416 (or 47404 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 78855296 is about 8880.0504503071. The cubic root of 78855296 is about 428.8218987108.

The spelling of 78855296 in words is "seventy-eight million, eight hundred fifty-five thousand, two hundred ninety-six".