447412703257 has 16 divisors (see below), whose sum is σ = 501168729600. Its totient is φ = 396622886400.

The previous prime is 447412703203. The next prime is 447412703261. The reversal of 447412703257 is 752307214744.

It is not a de Polignac number, because 447412703257 - 2²³ = 447404314649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447412700257) 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, 4184632 + ... + 4290217.

It is an arithmetic number, because the mean of its divisors is an integer number (31323045600).

Almost surely, 2^447412703257 is an apocalyptic number.

It is an amenable number.

447412703257 is a deficient number, since it is larger than the sum of its proper divisors (53756026343).

447412703257 is a wasteful number, since it uses less digits than its factorization.

447412703257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475024.

The product of its (nonzero) digits is 1317120, while the sum is 46.

The spelling of 447412703257 in words is "four hundred forty-seven billion, four hundred twelve million, seven hundred three thousand, two hundred fifty-seven".