48399972387 has 24 divisors (see below), whose sum is σ = 69861448944. Its totient is φ = 29629384704.

The previous prime is 48399972317. The next prime is 48399972407. The reversal of 48399972387 is 78327999384.

48399972387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48399972387 - 2¹⁶ = 48399906851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48399972317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1436053 + ... + 1469369.

It is an arithmetic number, because the mean of its divisors is an integer number (2910893706).

Almost surely, 2^48399972387 is an apocalyptic number.

48399972387 is a deficient number, since it is larger than the sum of its proper divisors (21461476557).

48399972387 is a wasteful number, since it uses less digits than its factorization.

48399972387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33719 (or 33526 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 69.

The spelling of 48399972387 in words is "forty-eight billion, three hundred ninety-nine million, nine hundred seventy-two thousand, three hundred eighty-seven".