887996869 has 2 divisors, whose sum is σ = 887996870. Its totient is φ = 887996868.

The previous prime is 887996861. The next prime is 887996881. The reversal of 887996869 is 968699788.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885062500 + 2934369 = 29750^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 887996869 - 2³ = 887996861 is a prime.

It is a super-2 number, since 2×887996869² = 1577076878707606322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 887996798 and 887996807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887996861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443998434 + 443998435.

It is an arithmetic number, because the mean of its divisors is an integer number (443998435).

Almost surely, 2^887996869 is an apocalyptic number.

It is an amenable number.

887996869 is a deficient number, since it is larger than the sum of its proper divisors (1).

887996869 is an equidigital number, since it uses as much as digits as its factorization.

887996869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 70.

The square root of 887996869 is about 29799.2763167161. The cubic root of 887996869 is about 961.1779770656.

The spelling of 887996869 in words is "eight hundred eighty-seven million, nine hundred ninety-six thousand, eight hundred sixty-nine".