78800193 has 12 divisors (see below), whose sum is σ = 113962368. Its totient is φ = 52468920.

The previous prime is 78800191. The next prime is 78800203. The reversal of 78800193 is 39100887.

It is not a de Polignac number, because 78800193 - 2¹ = 78800191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78800191) 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 11 ways as a sum of consecutive naturals, for example, 3048 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (9496864).

Almost surely, 2^78800193 is an apocalyptic number.

It is an amenable number.

78800193 is a deficient number, since it is larger than the sum of its proper divisors (35162175).

78800193 is a wasteful number, since it uses less digits than its factorization.

78800193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764 (or 10761 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 78800193 is about 8876.9472793298. The cubic root of 78800193 is about 428.7219904807.

The spelling of 78800193 in words is "seventy-eight million, eight hundred thousand, one hundred ninety-three".