447685253713476 has 729 divisors, whose sum is σ = 1305697320641623. Its totient is φ = 129294121313280.

The previous prime is 447685253713409. The next prime is 447685253713507. The reversal of 447685253713476 is 674317352586744.

It is a happy number.

The square root of 447685253713476 is 21158574.

It is a perfect power (a square), and thus also a powerful number.

447685253713476 is a `hidden beast` number, since 4 + 4 + 7 + 6 + 8 + 5 + 2 + 537 + 13 + 4 + 76 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44252962244100 + 403432291469376 = 6652290^2 + 20085624^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 1439502423361 + ... + 1439502423671.

Almost surely, 2^{447685253713476} is an apocalyptic number.

447685253713476 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

447685253713476 is the 21158574-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447685253713476

447685253713476 is an abundant number, since it is smaller than the sum of its proper divisors (858012066928147).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447685253713476 is a wasteful number, since it uses less digits than its factorization.

447685253713476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 385 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 72.

The spelling of 447685253713476 in words is "four hundred forty-seven trillion, six hundred eighty-five billion, two hundred fifty-three million, seven hundred thirteen thousand, four hundred seventy-six".