87448047 has 16 divisors (see below), whose sum is σ = 122411520. Its totient is φ = 55422752.

The previous prime is 87448037. The next prime is 87448099. The reversal of 87448047 is 74084478.

It is a cyclic number.

It is not a de Polignac number, because 87448047 - 2⁸ = 87447791 is a prime.

It is a super-2 number, since 2×87448047² = 15294321848228418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87448007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7729 + ... + 15317.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^87448047 is an apocalyptic number.

87448047 is a deficient number, since it is larger than the sum of its proper divisors (34963473).

87448047 is a wasteful number, since it uses less digits than its factorization.

87448047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782.

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 87448047 is about 9351.3660499416. The cubic root of 87448047 is about 443.8641181868.

The spelling of 87448047 in words is "eighty-seven million, four hundred forty-eight thousand, forty-seven".