78470958135 has 16 divisors (see below), whose sum is σ = 125674398720. Its totient is φ = 41810889120.

The previous prime is 78470958127. The next prime is 78470958149. The reversal of 78470958135 is 53185907487.

It is a happy number.

It is not a de Polignac number, because 78470958135 - 2³ = 78470958127 is a prime.

It is a super-3 number, since 3×78470958135³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2501931 + ... + 2533100.

It is an arithmetic number, because the mean of its divisors is an integer number (7854649920).

Almost surely, 2^78470958135 is an apocalyptic number.

78470958135 is a deficient number, since it is larger than the sum of its proper divisors (47203440585).

78470958135 is a wasteful number, since it uses less digits than its factorization.

78470958135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036078.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 78470958135 in words is "seventy-eight billion, four hundred seventy million, nine hundred fifty-eight thousand, one hundred thirty-five".