87609876 has 24 divisors (see below), whose sum is σ = 204578304. Its totient is φ = 29181120.

The previous prime is 87609871. The next prime is 87609883. The reversal of 87609876 is 67890678.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87609871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24141 + ... + 27531.

It is an arithmetic number, because the mean of its divisors is an integer number (8524096).

Almost surely, 2^87609876 is an apocalyptic number.

It is an amenable number.

87609876 is an abundant number, since it is smaller than the sum of its proper divisors (116968428).

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

87609876 is a wasteful number, since it uses less digits than its factorization.

87609876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 87609876 is about 9360.0147435781. The cubic root of 87609876 is about 444.1377504573.

The spelling of 87609876 in words is "eighty-seven million, six hundred nine thousand, eight hundred seventy-six".