447660553466757 has 8 divisors (see below), whose sum is σ = 597415098513376. Its totient is φ = 298173188698992.

The previous prime is 447660553466611. The next prime is 447660553466921. The reversal of 447660553466757 is 757664355066744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447660553466757 - 2²⁰ = 447660552418181 is a prime.

It is a super-2 number, since 2×447660553466757² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447660553466557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66795065803 + ... + 66795072504.

It is an arithmetic number, because the mean of its divisors is an integer number (74676887314172).

Almost surely, 2^{447660553466757} is an apocalyptic number.

It is an amenable number.

447660553466757 is a deficient number, since it is larger than the sum of its proper divisors (149754545046619).

447660553466757 is a wasteful number, since it uses less digits than its factorization.

447660553466757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133590139427.

The product of its (nonzero) digits is 10668672000, while the sum is 75.

The spelling of 447660553466757 in words is "four hundred forty-seven trillion, six hundred sixty billion, five hundred fifty-three million, four hundred sixty-six thousand, seven hundred fifty-seven".