8877961 has 4 divisors (see below), whose sum is σ = 9400212. Its totient is φ = 8355712.

The previous prime is 8877943. The next prime is 8877989. The reversal of 8877961 is 1697788.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 6175225 = 1644^2 + 2485^2 .

It is a cyclic number.

It is not a de Polignac number, because 8877961 - 2⁷ = 8877833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8877061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261100 + ... + 261133.

It is an arithmetic number, because the mean of its divisors is an integer number (2350053).

Almost surely, 2^8877961 is an apocalyptic number.

It is an amenable number.

8877961 is a deficient number, since it is larger than the sum of its proper divisors (522251).

8877961 is a wasteful number, since it uses less digits than its factorization.

8877961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522250.

The product of its digits is 169344, while the sum is 46.

The square root of 8877961 is about 2979.5907437096. The cubic root of 8877961 is about 207.0639101905.

It can be divided in two parts, 8 and 877961, that added together give a square (877969 = 937²).

The spelling of 8877961 in words is "eight million, eight hundred seventy-seven thousand, nine hundred sixty-one".