15872872919 has 8 divisors (see below), whose sum is σ = 16830288720. Its totient is φ = 14918092416.

The previous prime is 15872872871. The next prime is 15872872921. The reversal of 15872872919 is 91927827851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15872872919 - 2¹⁶ = 15872807383 is a prime.

It is a super-2 number, since 2×15872872919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15872872219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646409 + ... + 670514.

It is an arithmetic number, because the mean of its divisors is an integer number (2103786090).

Almost surely, 2^15872872919 is an apocalyptic number.

15872872919 is a deficient number, since it is larger than the sum of its proper divisors (957415801).

15872872919 is a wasteful number, since it uses less digits than its factorization.

15872872919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317649.

The product of its digits is 5080320, while the sum is 59.

The spelling of 15872872919 in words is "fifteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, nine hundred nineteen".