102872858571443 has 64 divisors (see below), whose sum is σ = 107305356787200. Its totient is φ = 98560829165568.

The previous prime is 102872858571421. The next prime is 102872858571449. The reversal of 102872858571443 is 344175858278201.

It is a happy number.

It is not a de Polignac number, because 102872858571443 - 2²⁶ = 102872791462579 is a prime.

It is a super-2 number, since 2×102872858571443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102872858571443.

It is not an unprimeable number, because it can be changed into a prime (102872858571449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182722661480 + ... + 182722662042.

It is an arithmetic number, because the mean of its divisors is an integer number (1676646199800).

Almost surely, 2^{102872858571443} is an apocalyptic number.

102872858571443 is a deficient number, since it is larger than the sum of its proper divisors (4432498215757).

102872858571443 is a wasteful number, since it uses less digits than its factorization.

102872858571443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 120422400, while the sum is 65.

It can be divided in two parts, 102872858 and 571443, that added together give a palindrome (103444301).

The spelling of 102872858571443 in words is "one hundred two trillion, eight hundred seventy-two billion, eight hundred fifty-eight million, five hundred seventy-one thousand, four hundred forty-three".