447102379665 has 80 divisors (see below), whose sum is σ = 826539500160. Its totient is φ = 231110530560.

The previous prime is 447102379639. The next prime is 447102379727. The reversal of 447102379665 is 566973201744.

447102379665 is a `hidden beast` number, since 4 + 471 + 0 + 23 + 7 + 96 + 65 = 666.

It is not a de Polignac number, because 447102379665 - 2¹³ = 447102371473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1564777 + ... + 1828313.

It is an arithmetic number, because the mean of its divisors is an integer number (10331743752).

Almost surely, 2^447102379665 is an apocalyptic number.

447102379665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

447102379665 is a deficient number, since it is larger than the sum of its proper divisors (379437120495).

447102379665 is a wasteful number, since it uses less digits than its factorization.

447102379665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263684 (or 263675 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 447102379665 in words is "four hundred forty-seven billion, one hundred two million, three hundred seventy-nine thousand, six hundred sixty-five".