78791060139 has 8 divisors (see below), whose sum is σ = 114605178432. Its totient is φ = 47752157640.

The previous prime is 78791060129. The next prime is 78791060177. The reversal of 78791060139 is 93106019787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78791060139 - 2¹⁶ = 78790994603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78791060091 and 78791060100.

It is not an unprimeable number, because it can be changed into a prime (78791060129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193803909 + ... + 1193803974.

It is an arithmetic number, because the mean of its divisors is an integer number (14325647304).

Almost surely, 2^78791060139 is an apocalyptic number.

78791060139 is a deficient number, since it is larger than the sum of its proper divisors (35814118293).

78791060139 is a wasteful number, since it uses less digits than its factorization.

78791060139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387607897.

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 78791060139 in words is "seventy-eight billion, seven hundred ninety-one million, sixty thousand, one hundred thirty-nine".