887915213361 has 32 divisors (see below), whose sum is σ = 1435121395200. Its totient is φ = 538090341840.

The previous prime is 887915213327. The next prime is 887915213363. The reversal of 887915213361 is 163312519788.

887915213361 is a `hidden beast` number, since 8 + 87 + 9 + 1 + 521 + 3 + 36 + 1 = 666.

It is not a de Polignac number, because 887915213361 - 2¹³ = 887915205169 is a prime.

It is a super-2 number, since 2×887915213361² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 887915213298 and 887915213307.

It is not an unprimeable number, because it can be changed into a prime (887915213363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4156870 + ... + 4365248.

It is an arithmetic number, because the mean of its divisors is an integer number (44847543600).

Almost surely, 2^887915213361 is an apocalyptic number.

It is an amenable number.

887915213361 is a deficient number, since it is larger than the sum of its proper divisors (547206181839).

887915213361 is a wasteful number, since it uses less digits than its factorization.

887915213361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222746 (or 222740 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 887915213361 in words is "eight hundred eighty-seven billion, nine hundred fifteen million, two hundred thirteen thousand, three hundred sixty-one".