78585730143 has 8 divisors (see below), whose sum is σ = 108161005056. Its totient is φ = 50700471000.

The previous prime is 78585730141. The next prime is 78585730189. The reversal of 78585730143 is 34103758587.

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

It is not a de Polignac number, because 78585730143 - 2¹ = 78585730141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78585730141) 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, 422503833 + ... + 422504018.

It is an arithmetic number, because the mean of its divisors is an integer number (13520125632).

Almost surely, 2^78585730143 is an apocalyptic number.

78585730143 is a deficient number, since it is larger than the sum of its proper divisors (29575274913).

78585730143 is a wasteful number, since it uses less digits than its factorization.

78585730143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845007885.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 78585730143 in words is "seventy-eight billion, five hundred eighty-five million, seven hundred thirty thousand, one hundred forty-three".