48777782871 has 4 divisors (see below), whose sum is σ = 65037043832. Its totient is φ = 32518521912.

The previous prime is 48777782791. The next prime is 48777782891. The reversal of 48777782871 is 17828777784.

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

It is not a de Polignac number, because 48777782871 - 2¹⁰ = 48777781847 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 (48777782891) 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, 8129630476 + ... + 8129630481.

It is an arithmetic number, because the mean of its divisors is an integer number (16259260958).

Almost surely, 2^48777782871 is an apocalyptic number.

48777782871 is a deficient number, since it is larger than the sum of its proper divisors (16259260961).

48777782871 is a wasteful number, since it uses less digits than its factorization.

48777782871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16259260960.

The product of its digits is 68841472, while the sum is 66.

The spelling of 48777782871 in words is "forty-eight billion, seven hundred seventy-seven million, seven hundred eighty-two thousand, eight hundred seventy-one".