87469648 has 40 divisors (see below), whose sum is σ = 194184000. Its totient is φ = 37390080.

The previous prime is 87469637. The next prime is 87469651. The reversal of 87469648 is 84696478.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87469595 and 87469604.

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 7 ways as a sum of consecutive naturals, for example, 57603 + ... + 59101.

It is an arithmetic number, because the mean of its divisors is an integer number (4854600).

Almost surely, 2^87469648 is an apocalyptic number.

It is an amenable number.

87469648 is an abundant number, since it is smaller than the sum of its proper divisors (106714352).

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

87469648 is a wasteful number, since it uses less digits than its factorization.

87469648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2029 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 87469648 is about 9352.5209435745. The cubic root of 87469648 is about 443.9006622447.

The spelling of 87469648 in words is "eighty-seven million, four hundred sixty-nine thousand, six hundred forty-eight".