48637887 has 4 divisors (see below), whose sum is σ = 64850520. Its totient is φ = 32425256.

The previous prime is 48637879. The next prime is 48637909. The reversal of 48637887 is 78873684.

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

It is a cyclic number.

It is not a de Polignac number, because 48637887 - 2³ = 48637879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48637987) 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 3 ways as a sum of consecutive naturals, for example, 8106312 + ... + 8106317.

It is an arithmetic number, because the mean of its divisors is an integer number (16212630).

Almost surely, 2^48637887 is an apocalyptic number.

48637887 is a deficient number, since it is larger than the sum of its proper divisors (16212633).

48637887 is a wasteful number, since it uses less digits than its factorization.

48637887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16212632.

The product of its digits is 1806336, while the sum is 51.

The square root of 48637887 is about 6974.0868219431. The cubic root of 48637887 is about 365.0269248919.

The spelling of 48637887 in words is "forty-eight million, six hundred thirty-seven thousand, eight hundred eighty-seven".