87974552 has 16 divisors (see below), whose sum is σ = 165583440. Its totient is φ = 43818976.

The previous prime is 87974539. The next prime is 87974569. The reversal of 87974552 is 25547978.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87974497 and 87974506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18803 + ... + 23010.

It is an arithmetic number, because the mean of its divisors is an integer number (10348965).

Almost surely, 2^87974552 is an apocalyptic number.

It is an amenable number.

87974552 is a deficient number, since it is larger than the sum of its proper divisors (77608888).

87974552 is a wasteful number, since it uses less digits than its factorization.

87974552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42082 (or 42078 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 87974552 is about 9379.4750386149. The cubic root of 87974552 is about 444.7531383398.

The spelling of 87974552 in words is "eighty-seven million, nine hundred seventy-four thousand, five hundred fifty-two".