448786987 has 8 divisors (see below), whose sum is σ = 498823920. Its totient is φ = 400289760.

The previous prime is 448786963. The next prime is 448786993. The reversal of 448786987 is 789687844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448786987 - 2¹¹ = 448784939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448786187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384312 + ... + 385477.

It is an arithmetic number, because the mean of its divisors is an integer number (62352990).

Almost surely, 2^448786987 is an apocalyptic number.

448786987 is a deficient number, since it is larger than the sum of its proper divisors (50036933).

448786987 is a wasteful number, since it uses less digits than its factorization.

448786987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769853.

The product of its digits is 21676032, while the sum is 61.

The square root of 448786987 is about 21184.5931516279. The cubic root of 448786987 is about 765.6202621881.

The spelling of 448786987 in words is "four hundred forty-eight million, seven hundred eighty-six thousand, nine hundred eighty-seven".