447853339977 has 4 divisors (see below), whose sum is σ = 597137786640. Its totient is φ = 298568893316.

The previous prime is 447853339939. The next prime is 447853340041. The reversal of 447853339977 is 779933358744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 447853339977 - 2¹⁶ = 447853274441 is a prime.

It is a super-2 number, since 2×447853339977² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447853334977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74642223327 + ... + 74642223332.

It is an arithmetic number, because the mean of its divisors is an integer number (149284446660).

Almost surely, 2^447853339977 is an apocalyptic number.

It is an amenable number.

447853339977 is a deficient number, since it is larger than the sum of its proper divisors (149284446663).

447853339977 is a wasteful number, since it uses less digits than its factorization.

447853339977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149284446662.

The product of its digits is 480090240, while the sum is 69.

The spelling of 447853339977 in words is "four hundred forty-seven billion, eight hundred fifty-three million, three hundred thirty-nine thousand, nine hundred seventy-seven".