15873730873 has 16 divisors (see below), whose sum is σ = 21312982656. Its totient is φ = 11417667840.

The previous prime is 15873730871. The next prime is 15873730877. The reversal of 15873730873 is 37803737851.

It is a cyclic number.

It is not a de Polignac number, because 15873730873 - 2¹ = 15873730871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15873730873.

It is not an unprimeable number, because it can be changed into a prime (15873730871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7927936 + ... + 7929937.

It is an arithmetic number, because the mean of its divisors is an integer number (1332061416).

Almost surely, 2^15873730873 is an apocalyptic number.

15873730873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15873730873 is a deficient number, since it is larger than the sum of its proper divisors (5439251783).

15873730873 is a wasteful number, since it uses less digits than its factorization.

15873730873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857904.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 15873730873 in words is "fifteen billion, eight hundred seventy-three million, seven hundred thirty thousand, eight hundred seventy-three".