447777141 has 12 divisors (see below), whose sum is σ = 694511712. Its totient is φ = 255872568.

The previous prime is 447777107. The next prime is 447777157. The reversal of 447777141 is 141777744.

It is not a de Polignac number, because 447777141 - 2¹⁰ = 447776117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447777093 and 447777102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447777181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1522905 + ... + 1523198.

It is an arithmetic number, because the mean of its divisors is an integer number (57875976).

Almost surely, 2^447777141 is an apocalyptic number.

It is an amenable number.

447777141 is a deficient number, since it is larger than the sum of its proper divisors (246734571).

447777141 is a wasteful number, since it uses less digits than its factorization.

447777141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046120 (or 3046113 counting only the distinct ones).

The product of its digits is 153664, while the sum is 42.

The square root of 447777141 is about 21160.7452846066. The cubic root of 447777141 is about 765.0455729184.

It can be divided in two parts, 4477 and 77141, that added together give a palindrome (81618).

The spelling of 447777141 in words is "four hundred forty-seven million, seven hundred seventy-seven thousand, one hundred forty-one".