876084561 has 24 divisors (see below), whose sum is σ = 1382917536. Its totient is φ = 530029440.

The previous prime is 876084551. The next prime is 876084589. The reversal of 876084561 is 165480678.

It is a happy number.

876084561 is a `hidden beast` number, since 8 + 7 + 6 + 0 + 84 + 561 = 666.

It is not a de Polignac number, because 876084561 - 2⁵ = 876084529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (876084551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51246 + ... + 66168.

It is an arithmetic number, because the mean of its divisors is an integer number (57621564).

Almost surely, 2^876084561 is an apocalyptic number.

It is an amenable number.

876084561 is a deficient number, since it is larger than the sum of its proper divisors (506832975).

876084561 is a wasteful number, since it uses less digits than its factorization.

876084561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15533 (or 15530 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 876084561 is about 29598.7256651363. The cubic root of 876084561 is about 956.8606073775.

The spelling of 876084561 in words is "eight hundred seventy-six million, eighty-four thousand, five hundred sixty-one".