48786668785 has 4 divisors (see below), whose sum is σ = 58544002548. Its totient is φ = 39029335024.

The previous prime is 48786668761. The next prime is 48786668803. The reversal of 48786668785 is 58786668784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37782029376 + 11004639409 = 194376^2 + 104903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48786668785 is a prime.

It is a super-2 number, since 2×48786668785² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878666874 + ... + 4878666883.

It is an arithmetic number, because the mean of its divisors is an integer number (14636000637).

Almost surely, 2^48786668785 is an apocalyptic number.

It is an amenable number.

48786668785 is a deficient number, since it is larger than the sum of its proper divisors (9757333763).

48786668785 is an equidigital number, since it uses as much as digits as its factorization.

48786668785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757333762.

The product of its digits is 867041280, while the sum is 73.

Subtracting 48786668785 from its reverse (58786668784), we obtain a palindrome (9999999999).

The spelling of 48786668785 in words is "forty-eight billion, seven hundred eighty-six million, six hundred sixty-eight thousand, seven hundred eighty-five".