887161399 has 4 divisors (see below), whose sum is σ = 890014320. Its totient is φ = 884308480.

The previous prime is 887161361. The next prime is 887161409. The reversal of 887161399 is 993161788.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 887161399 - 2¹³ = 887153207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887161309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425994 + ... + 1426615.

It is an arithmetic number, because the mean of its divisors is an integer number (222503580).

Almost surely, 2^887161399 is an apocalyptic number.

887161399 is a deficient number, since it is larger than the sum of its proper divisors (2852921).

887161399 is a wasteful number, since it uses less digits than its factorization.

887161399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852920.

The product of its digits is 653184, while the sum is 52.

The square root of 887161399 is about 29785.2547244438. The cubic root of 887161399 is about 960.8764417153.

The spelling of 887161399 in words is "eight hundred eighty-seven million, one hundred sixty-one thousand, three hundred ninety-nine".