887643172243 has 8 divisors (see below), whose sum is σ = 934525472400. Its totient is φ = 840777295968.

The previous prime is 887643172201. The next prime is 887643172307. The reversal of 887643172243 is 342271346788.

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

It is a cyclic number.

It is not a de Polignac number, because 887643172243 - 2²¹ = 887641075091 is a prime.

It is a super-4 number, since 4×887643172243⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887643172343) 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, 3994948 + ... + 4211281.

It is an arithmetic number, because the mean of its divisors is an integer number (116815684050).

Almost surely, 2^887643172243 is an apocalyptic number.

887643172243 is a deficient number, since it is larger than the sum of its proper divisors (46882300157).

887643172243 is a wasteful number, since it uses less digits than its factorization.

887643172243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211941.

The product of its digits is 10838016, while the sum is 55.

The spelling of 887643172243 in words is "eight hundred eighty-seven billion, six hundred forty-three million, one hundred seventy-two thousand, two hundred forty-three".