48218887 has 4 divisors (see below), whose sum is σ = 48357400. Its totient is φ = 48080376.

The previous prime is 48218809. The next prime is 48218897. The reversal of 48218887 is 78881284.

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-48218887 is a prime.

It is a super-2 number, since 2×48218887² = 4650122127037538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48218897) 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, 68733 + ... + 69430.

It is an arithmetic number, because the mean of its divisors is an integer number (12089350).

Almost surely, 2^48218887 is an apocalyptic number.

48218887 is a deficient number, since it is larger than the sum of its proper divisors (138513).

48218887 is a wasteful number, since it uses less digits than its factorization.

48218887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138512.

The product of its digits is 229376, while the sum is 46.

The square root of 48218887 is about 6943.9820708294. The cubic root of 48218887 is about 363.9757033052.

The spelling of 48218887 in words is "forty-eight million, two hundred eighteen thousand, eight hundred eighty-seven".