83864941263 has 24 divisors (see below), whose sum is σ = 135014770800. Its totient is φ = 49851604224.

The previous prime is 83864941261. The next prime is 83864941327. The reversal of 83864941263 is 36214946838.

83864941263 is a `hidden beast` number, since 8 + 3 + 86 + 494 + 12 + 63 = 666.

It is not a de Polignac number, because 83864941263 - 2¹ = 83864941261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83864941261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14421748 + ... + 14427561.

It is an arithmetic number, because the mean of its divisors is an integer number (5625615450).

Almost surely, 2^83864941263 is an apocalyptic number.

83864941263 is a deficient number, since it is larger than the sum of its proper divisors (51149829537).

83864941263 is a wasteful number, since it uses less digits than its factorization.

83864941263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28849351 (or 28849348 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 83864941263 in words is "eighty-three billion, eight hundred sixty-four million, nine hundred forty-one thousand, two hundred sixty-three".