73871686923 has 16 divisors (see below), whose sum is σ = 101165504256. Its totient is φ = 47913037920.

The previous prime is 73871686913. The next prime is 73871686939. The reversal of 73871686923 is 32968617837.

It is not a de Polignac number, because 73871686923 - 2⁴ = 73871686907 is a prime.

It is a super-2 number, since 2×73871686923² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73871686913) 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 15 ways as a sum of consecutive naturals, for example, 2586640 + ... + 2615042.

It is an arithmetic number, because the mean of its divisors is an integer number (6322844016).

Almost surely, 2^73871686923 is an apocalyptic number.

73871686923 is a deficient number, since it is larger than the sum of its proper divisors (27293817333).

73871686923 is a wasteful number, since it uses less digits than its factorization.

73871686923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51874.

The product of its digits is 18289152, while the sum is 60.

The spelling of 73871686923 in words is "seventy-three billion, eight hundred seventy-one million, six hundred eighty-six thousand, nine hundred twenty-three".