48664665871 has 4 divisors (see below), whose sum is σ = 48665577744. Its totient is φ = 48663754000.

The previous prime is 48664665811. The next prime is 48664665901. The reversal of 48664665871 is 17856646684.

It is a happy number.

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 48664665871 - 2¹¹ = 48664663823 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 (48664665811) 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, 370555 + ... + 484396.

It is an arithmetic number, because the mean of its divisors is an integer number (12166394436).

Almost surely, 2^48664665871 is an apocalyptic number.

48664665871 is a deficient number, since it is larger than the sum of its proper divisors (911873).

48664665871 is an equidigital number, since it uses as much as digits as its factorization.

48664665871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911872.

The product of its digits is 46448640, while the sum is 61.

The spelling of 48664665871 in words is "forty-eight billion, six hundred sixty-four million, six hundred sixty-five thousand, eight hundred seventy-one".