7885 has 8 divisors (see below), whose sum is σ = 10080. Its totient is φ = 5904.

The previous prime is 7883. The next prime is 7901. The reversal of 7885 is 5887.

7885 = T₇₁ + T₇₂ + T₇₃.

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 7885 - 2¹ = 7883 is a prime.

7885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7883) 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, 54 + ... + 136.

It is an arithmetic number, because the mean of its divisors is an integer number (1260).

2⁷⁸⁸⁵ is an apocalyptic number.

7885 is the 73-rd centered triangular number.

It is an amenable number.

7885 is a deficient number, since it is larger than the sum of its proper divisors (2195).

7885 is a wasteful number, since it uses less digits than its factorization.

7885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its digits is 2240, while the sum is 28.

The square root of 7885 is about 88.7975224880. The cubic root of 7885 is about 19.9037037625.

Multiplying 7885 by its sum of digits (28), we get a triangular number (220780 = T₆₆₄).

The spelling of 7885 in words is "seven thousand, eight hundred eighty-five".