447766073661 has 16 divisors (see below), whose sum is σ = 601660781568. Its totient is φ = 296191662000.

The previous prime is 447766073659. The next prime is 447766073681. The reversal of 447766073661 is 166370667744.

It is not a de Polignac number, because 447766073661 - 2¹ = 447766073659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447766073681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962986 + ... + 3110436.

It is an arithmetic number, because the mean of its divisors is an integer number (37603798848).

Almost surely, 2^447766073661 is an apocalyptic number.

It is an amenable number.

447766073661 is a deficient number, since it is larger than the sum of its proper divisors (153894707907).

447766073661 is a wasteful number, since it uses less digits than its factorization.

447766073661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155312.

The product of its (nonzero) digits is 21337344, while the sum is 57.

The spelling of 447766073661 in words is "four hundred forty-seven billion, seven hundred sixty-six million, seventy-three thousand, six hundred sixty-one".