887877816 has 32 divisors (see below), whose sum is σ = 2536794240. Its totient is φ = 253679328.

The previous prime is 887877811. The next prime is 887877817. The reversal of 887877816 is 618778788.

It is a happy number.

It is a super-2 number, since 2×887877816² = 1576654032289859712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 887877816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887877811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642326 + ... + 2642661.

It is an arithmetic number, because the mean of its divisors is an integer number (79274820).

Almost surely, 2^887877816 is an apocalyptic number.

It is an amenable number.

887877816 is an abundant number, since it is smaller than the sum of its proper divisors (1648916424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

887877816 is a wasteful number, since it uses less digits than its factorization.

887877816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285003 (or 5284999 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 60.

The square root of 887877816 is about 29797.2786676904. The cubic root of 887877816 is about 961.1350203691.

The spelling of 887877816 in words is "eight hundred eighty-seven million, eight hundred seventy-seven thousand, eight hundred sixteen".