447511627138 has 4 divisors (see below), whose sum is σ = 671267440710. Its totient is φ = 223755813568.

The previous prime is 447511627039. The next prime is 447511627159. The reversal of 447511627138 is 831726115744.

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., 447511495369 + 131769 = 668963^2 + 363^2 .

It is a junction number, because it is equal to n+sod(n) for n = 447511627091 and 447511627100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111877906783 + ... + 111877906786.

Almost surely, 2^447511627138 is an apocalyptic number.

447511627138 is a deficient number, since it is larger than the sum of its proper divisors (223755813572).

447511627138 is a wasteful number, since it uses less digits than its factorization.

447511627138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223755813571.

The product of its digits is 1128960, while the sum is 49.

The spelling of 447511627138 in words is "four hundred forty-seven billion, five hundred eleven million, six hundred twenty-seven thousand, one hundred thirty-eight".