78859792 has 20 divisors (see below), whose sum is σ = 166681296. Its totient is φ = 35845280.

The previous prime is 78859777. The next prime is 78859793. The reversal of 78859792 is 29795887.

It is not an unprimeable number, because it can be changed into a prime (78859793) by changing a digit.

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, 223858 + ... + 224209.

Almost surely, 2^78859792 is an apocalyptic number.

It is an amenable number.

78859792 is an abundant number, since it is smaller than the sum of its proper divisors (87821504).

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

78859792 is a wasteful number, since it uses less digits than its factorization.

78859792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448086 (or 448080 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The square root of 78859792 is about 8880.3035984137. The cubic root of 78859792 is about 428.8300484345.

The spelling of 78859792 in words is "seventy-eight million, eight hundred fifty-nine thousand, seven hundred ninety-two".