887761 has 4 divisors (see below), whose sum is σ = 1014592. Its totient is φ = 760932.

The previous prime is 887759. The next prime is 887819. The reversal of 887761 is 167788.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 887761 - 2¹ = 887759 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 887761.

It is not an unprimeable number, because it can be changed into a prime (887701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63405 + ... + 63418.

It is an arithmetic number, because the mean of its divisors is an integer number (253648).

2⁸⁸⁷⁷⁶¹ is an apocalyptic number.

It is an amenable number.

887761 is a deficient number, since it is larger than the sum of its proper divisors (126831).

887761 is a wasteful number, since it uses less digits than its factorization.

887761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126830.

The product of its digits is 18816, while the sum is 37.

The square root of 887761 is about 942.2106983048. The cubic root of 887761 is about 96.1092867094.

The spelling of 887761 in words is "eight hundred eighty-seven thousand, seven hundred sixty-one".