48188077138 has 8 divisors (see below), whose sum is σ = 72304318332. Its totient is φ = 24086637696.

The previous prime is 48188077123. The next prime is 48188077163. The reversal of 48188077138 is 83177088184.

48188077138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47964066049 + 224011089 = 219007^2 + 14967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3692295 + ... + 3705322.

Almost surely, 2^48188077138 is an apocalyptic number.

48188077138 is a deficient number, since it is larger than the sum of its proper divisors (24116241194).

48188077138 is a wasteful number, since it uses less digits than its factorization.

48188077138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400876.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 48188077138 in words is "forty-eight billion, one hundred eighty-eight million, seventy-seven thousand, one hundred thirty-eight".