7885161 has 32 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 4815360.

The previous prime is 7885153. The next prime is 7885177. The reversal of 7885161 is 1615887.

It is not a de Polignac number, because 7885161 - 2³ = 7885153 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (13440) is a multiple of the sum of its prime divisors (480).

It is not an unprimeable number, because it can be changed into a prime (7885061) 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 31 ways as a sum of consecutive naturals, for example, 18610 + ... + 19028.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^7885161 is an apocalyptic number.

It is an amenable number.

7885161 is a deficient number, since it is larger than the sum of its proper divisors (4815639).

7885161 is a wasteful number, since it uses less digits than its factorization.

7885161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 480 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 7885161 is about 2808.0528841174. The cubic root of 7885161 is about 199.0383922964.

The spelling of 7885161 in words is "seven million, eight hundred eighty-five thousand, one hundred sixty-one".