447021376775 has 12 divisors (see below), whose sum is σ = 554401458000. Its totient is φ = 357555842880.

The previous prime is 447021376771. The next prime is 447021376793. The reversal of 447021376775 is 577673120744.

It is not a de Polignac number, because 447021376775 - 2² = 447021376771 is a prime.

It is a super-2 number, since 2×447021376775² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447021376771) 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, 1382315 + ... + 1674764.

It is an arithmetic number, because the mean of its divisors is an integer number (46200121500).

Almost surely, 2^447021376775 is an apocalyptic number.

447021376775 is a deficient number, since it is larger than the sum of its proper divisors (107380081225).

447021376775 is a wasteful number, since it uses less digits than its factorization.

447021376775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062938 (or 3062933 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 53.

The spelling of 447021376775 in words is "four hundred forty-seven billion, twenty-one million, three hundred seventy-six thousand, seven hundred seventy-five".