48027821906 has 4 divisors (see below), whose sum is σ = 72041732862. Its totient is φ = 24013910952.

The previous prime is 48027821873. The next prime is 48027821909. The reversal of 48027821906 is 60912872084.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 27958849681 + 20068972225 = 167209^2 + 141665^2 .

It is not an unprimeable number, because it can be changed into a prime (48027821909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12006955475 + ... + 12006955478.

Almost surely, 2^48027821906 is an apocalyptic number.

48027821906 is a deficient number, since it is larger than the sum of its proper divisors (24013910956).

48027821906 is a wasteful number, since it uses less digits than its factorization.

48027821906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24013910955.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 48027821906 in words is "forty-eight billion, twenty-seven million, eight hundred twenty-one thousand, nine hundred six".