78559163332 has 12 divisors (see below), whose sum is σ = 148053807916. Its totient is φ = 36258075360.

The previous prime is 78559163299. The next prime is 78559163359. The reversal of 78559163332 is 23336195587.

It can be written as a sum of positive squares in 2 ways, for example, as 24719386176 + 53839777156 = 157224^2 + 232034^2 .

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 1510753141 = 78559163332 / (7 + 8 + 5 + 5 + 9 + 1 + 6 + 3 + 3 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 78559163332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755376519 + ... + 755376622.

Almost surely, 2^78559163332 is an apocalyptic number.

It is an amenable number.

78559163332 is a deficient number, since it is larger than the sum of its proper divisors (69494644584).

78559163332 is a wasteful number, since it uses less digits than its factorization.

78559163332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510753158 (or 1510753156 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The spelling of 78559163332 in words is "seventy-eight billion, five hundred fifty-nine million, one hundred sixty-three thousand, three hundred thirty-two".