84844959291 has 24 divisors (see below), whose sum is σ = 125582651376. Its totient is φ = 55166261760.

The previous prime is 84844959247. The next prime is 84844959299. The reversal of 84844959291 is 19295944848.

It is not a de Polignac number, because 84844959291 - 2¹¹ = 84844957243 is a prime.

It is a super-3 number, since 3×84844959291³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84844959299) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1187796 + ... + 1257198.

It is an arithmetic number, because the mean of its divisors is an integer number (5232610474).

Almost surely, 2^84844959291 is an apocalyptic number.

84844959291 is a deficient number, since it is larger than the sum of its proper divisors (40737692085).

84844959291 is a wasteful number, since it uses less digits than its factorization.

84844959291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72763 (or 72760 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The spelling of 84844959291 in words is "eighty-four billion, eight hundred forty-four million, nine hundred fifty-nine thousand, two hundred ninety-one".