886131261 has 12 divisors (see below), whose sum is σ = 1280363292. Its totient is φ = 590571456.

The previous prime is 886131227. The next prime is 886131263. The reversal of 886131261 is 162131688.

886131261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 410062500 + 476068761 = 20250^2 + 21819^2 .

It is not a de Polignac number, because 886131261 - 2⁷ = 886131133 is a prime.

It is a super-2 number, since 2×886131261² = 1570457223442900242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (886131263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19705 + ... + 46481.

It is an arithmetic number, because the mean of its divisors is an integer number (106696941).

Almost surely, 2^886131261 is an apocalyptic number.

It is an amenable number.

886131261 is a deficient number, since it is larger than the sum of its proper divisors (394232031).

886131261 is a wasteful number, since it uses less digits than its factorization.

886131261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30460 (or 30457 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 886131261 is about 29767.9569503854. The cubic root of 886131261 is about 960.5043866402.

The spelling of 886131261 in words is "eight hundred eighty-six million, one hundred thirty-one thousand, two hundred sixty-one".