78481838059 has 4 divisors (see below), whose sum is σ = 78818670216. Its totient is φ = 78145005904.

The previous prime is 78481838051. The next prime is 78481838077. The reversal of 78481838059 is 95083818487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78481838059 - 2³ = 78481838051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78481837988 and 78481838006.

It is not an unprimeable number, because it can be changed into a prime (78481838051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168415729 + ... + 168416194.

It is an arithmetic number, because the mean of its divisors is an integer number (19704667554).

Almost surely, 2^78481838059 is an apocalyptic number.

78481838059 is a deficient number, since it is larger than the sum of its proper divisors (336832157).

78481838059 is a wasteful number, since it uses less digits than its factorization.

78481838059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336832156.

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 78481838059 in words is "seventy-eight billion, four hundred eighty-one million, eight hundred thirty-eight thousand, fifty-nine".