78125830786835 has 8 divisors (see below), whose sum is σ = 100962612093840. Its totient is φ = 57692921196384.

The previous prime is 78125830786813. The next prime is 78125830786867. The reversal of 78125830786835 is 53868703852187.

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

It is a cyclic number.

It is not a de Polignac number, because 78125830786835 - 2¹⁴ = 78125830770451 is a prime.

It is a super-2 number, since 2×78125830786835² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600967929065 + ... + 600967929194.

It is an arithmetic number, because the mean of its divisors is an integer number (12620326511730).

Almost surely, 2^{78125830786835} is an apocalyptic number.

78125830786835 is a deficient number, since it is larger than the sum of its proper divisors (22836781307005).

78125830786835 is a wasteful number, since it uses less digits than its factorization.

78125830786835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201935858277.

The product of its (nonzero) digits is 541900800, while the sum is 71.

The spelling of 78125830786835 in words is "seventy-eight trillion, one hundred twenty-five billion, eight hundred thirty million, seven hundred eighty-six thousand, eight hundred thirty-five".