48287999 has 4 divisors (see below), whose sum is σ = 48766200. Its totient is φ = 47809800.

The previous prime is 48287977. The next prime is 48288029. The reversal of 48287999 is 99978284.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48287999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48281999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238949 + ... + 239150.

It is an arithmetic number, because the mean of its divisors is an integer number (12191550).

Almost surely, 2^48287999 is an apocalyptic number.

48287999 is a deficient number, since it is larger than the sum of its proper divisors (478201).

48287999 is a wasteful number, since it uses less digits than its factorization.

48287999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478200.

The product of its digits is 2612736, while the sum is 56.

The square root of 48287999 is about 6948.9566842800. The cubic root of 48287999 is about 364.1495154197.

The spelling of 48287999 in words is "forty-eight million, two hundred eighty-seven thousand, nine hundred ninety-nine".