48819887 has 4 divisors (see below), whose sum is σ = 49858656. Its totient is φ = 47781120.

The previous prime is 48819871. The next prime is 48819893. The reversal of 48819887 is 78891884.

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 48819887 - 2⁴ = 48819871 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 (48819817) 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, 519314 + ... + 519407.

It is an arithmetic number, because the mean of its divisors is an integer number (12464664).

Almost surely, 2^48819887 is an apocalyptic number.

48819887 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

48819887 is a deficient number, since it is larger than the sum of its proper divisors (1038769).

48819887 is a wasteful number, since it uses less digits than its factorization.

48819887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038768.

The product of its digits is 1032192, while the sum is 53.

The square root of 48819887 is about 6987.1229415261. The cubic root of 48819887 is about 365.4816609776.

The spelling of 48819887 in words is "forty-eight million, eight hundred nineteen thousand, eight hundred eighty-seven".