877881081 has 32 divisors (see below), whose sum is σ = 1462118400. Its totient is φ = 455172480.

The previous prime is 877881019. The next prime is 877881083. The reversal of 877881081 is 180188778.

It is a happy number.

It is not a de Polignac number, because 877881081 - 2⁹ = 877880569 is a prime.

It is a super-2 number, since 2×877881081² = 1541350384755457122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 877881081.

It is not an unprimeable number, because it can be changed into a prime (877881083) 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 31 ways as a sum of consecutive naturals, for example, 128100 + ... + 134778.

It is an arithmetic number, because the mean of its divisors is an integer number (45691200).

Almost surely, 2^877881081 is an apocalyptic number.

It is an amenable number.

877881081 is a deficient number, since it is larger than the sum of its proper divisors (584237319).

877881081 is a wasteful number, since it uses less digits than its factorization.

877881081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269.

The product of its (nonzero) digits is 200704, while the sum is 48.

The square root of 877881081 is about 29629.0580511767. The cubic root of 877881081 is about 957.5142145790.

The spelling of 877881081 in words is "eight hundred seventy-seven million, eight hundred eighty-one thousand, eighty-one".