876988409 has 8 divisors (see below), whose sum is σ = 958238400. Its totient is φ = 795992400.

The previous prime is 876988361. The next prime is 876988429. The reversal of 876988409 is 904889678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 876988409 - 2¹⁶ = 876922873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876988429) 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, 56234 + ... + 70115.

It is an arithmetic number, because the mean of its divisors is an integer number (119779800).

Almost surely, 2^876988409 is an apocalyptic number.

It is an amenable number.

876988409 is a deficient number, since it is larger than the sum of its proper divisors (81249991).

876988409 is a wasteful number, since it uses less digits than its factorization.

876988409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126991.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 876988409 is about 29613.9900891454. The cubic root of 876988409 is about 957.1895555688.

The spelling of 876988409 in words is "eight hundred seventy-six million, nine hundred eighty-eight thousand, four hundred nine".