447879497 has 16 divisors (see below), whose sum is σ = 494387712. Its totient is φ = 403158720.

The previous prime is 447879427. The next prime is 447879499. The reversal of 447879497 is 794978744.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447879497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447879499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188843 + ... + 191199.

It is an arithmetic number, because the mean of its divisors is an integer number (30899232).

Almost surely, 2^447879497 is an apocalyptic number.

447879497 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

447879497 is a deficient number, since it is larger than the sum of its proper divisors (46508215).

447879497 is a wasteful number, since it uses less digits than its factorization.

447879497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728.

The product of its digits is 14224896, while the sum is 59.

The square root of 447879497 is about 21163.1636812647. The cubic root of 447879497 is about 765.1038616157.

The spelling of 447879497 in words is "four hundred forty-seven million, eight hundred seventy-nine thousand, four hundred ninety-seven".