71189834278 has 16 divisors (see below), whose sum is σ = 112468953600. Its totient is φ = 33729110536.

The previous prime is 71189834273. The next prime is 71189834279. The reversal of 71189834278 is 87243898117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71189834273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226878 + ... + 7236721.

It is an arithmetic number, because the mean of its divisors is an integer number (7029309600).

Almost surely, 2^71189834278 is an apocalyptic number.

71189834278 is a deficient number, since it is larger than the sum of its proper divisors (41279119322).

71189834278 is a wasteful number, since it uses less digits than its factorization.

71189834278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463731.

The product of its digits is 5419008, while the sum is 58.

The spelling of 71189834278 in words is "seventy-one billion, one hundred eighty-nine million, eight hundred thirty-four thousand, two hundred seventy-eight".