886774405969 has 27 divisors (see below), whose sum is σ = 942885515313. Its totient is φ = 833958007200.

The previous prime is 886774405963. The next prime is 886774406029. The reversal of 886774405969 is 969504477688.

The square root of 886774405969 is 941687.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 42051654225 + 844722751744 = 205065^2 + 919088^2 .

It is not a de Polignac number, because 886774405969 - 2¹⁹ = 886773881681 is a prime.

It is a super-2 number, since 2×886774405969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (886774405963) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1080114579 + ... + 1080115399.

Almost surely, 2^886774405969 is an apocalyptic number.

886774405969 is the 941687-th square number.

886774405969 is the 470844-th centered octagonal number.

It is an amenable number.

886774405969 is a deficient number, since it is larger than the sum of its proper divisors (56111109344).

886774405969 is an frugal number, since it uses more digits than its factorization.

886774405969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 73.

The spelling of 886774405969 in words is "eight hundred eighty-six billion, seven hundred seventy-four million, four hundred five thousand, nine hundred sixty-nine".