87549944 has 16 divisors (see below), whose sum is σ = 164300400. Its totient is φ = 43736512.

The previous prime is 87549911. The next prime is 87549961. The reversal of 87549944 is 44994578.

It is a junction number, because it is equal to n+sod(n) for n = 87549892 and 87549901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6404 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (10268775).

Almost surely, 2^87549944 is an apocalyptic number.

It is an amenable number.

87549944 is a deficient number, since it is larger than the sum of its proper divisors (76750456).

87549944 is a wasteful number, since it uses less digits than its factorization.

87549944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622 (or 9618 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 87549944 is about 9356.8127051897. The cubic root of 87549944 is about 444.0364523815.

The spelling of 87549944 in words is "eighty-seven million, five hundred forty-nine thousand, nine hundred forty-four".