87609084 has 24 divisors (see below), whose sum is σ = 204637440. Its totient is φ = 29172144.

The previous prime is 87609083. The next prime is 87609091. The reversal of 87609084 is 48090678.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87609083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9927 + ... + 16545.

It is an arithmetic number, because the mean of its divisors is an integer number (8526560).

Almost surely, 2^87609084 is an apocalyptic number.

It is an amenable number.

87609084 is an abundant number, since it is smaller than the sum of its proper divisors (117028356).

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

87609084 is a wasteful number, since it uses less digits than its factorization.

87609084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729 (or 7727 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 87609084 is about 9359.9724358568. The cubic root of 87609084 is about 444.1364121068.

The spelling of 87609084 in words is "eighty-seven million, six hundred nine thousand, eighty-four".