87608444 has 48 divisors (see below), whose sum is σ = 194320896. Its totient is φ = 33566400.

The previous prime is 87608419. The next prime is 87608471. The reversal of 87608444 is 44480678.

It is a super-2 number, since 2×87608444² = 15350478920202272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16457 + ... + 21119.

It is an arithmetic number, because the mean of its divisors is an integer number (4048352).

Almost surely, 2^87608444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87608444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97160448).

87608444 is an abundant number, since it is smaller than the sum of its proper divisors (106712452).

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

87608444 is a wasteful number, since it uses less digits than its factorization.

87608444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 87608444 is about 9359.9382476595. The cubic root of 87608444 is about 444.1353306056.

The spelling of 87608444 in words is "eighty-seven million, six hundred eight thousand, four hundred forty-four".