48664381277 has 4 divisors (see below), whose sum is σ = 50342463420. Its totient is φ = 46986299136.

The previous prime is 48664381273. The next prime is 48664381279. The reversal of 48664381277 is 77218346684.

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 30074149561 + 18590231716 = 173419^2 + 136346^2 .

It is a cyclic number.

It is not a de Polignac number, because 48664381277 - 2² = 48664381273 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 (48664381273) 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, 839041028 + ... + 839041085.

It is an arithmetic number, because the mean of its divisors is an integer number (12585615855).

Almost surely, 2^48664381277 is an apocalyptic number.

It is an amenable number.

48664381277 is a deficient number, since it is larger than the sum of its proper divisors (1678082143).

48664381277 is a wasteful number, since it uses less digits than its factorization.

48664381277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678082142.

The product of its digits is 10838016, while the sum is 56.

The spelling of 48664381277 in words is "forty-eight billion, six hundred sixty-four million, three hundred eighty-one thousand, two hundred seventy-seven".