447199977 has 16 divisors (see below), whose sum is σ = 721533312. Its totient is φ = 240510720.

The previous prime is 447199931. The next prime is 447200027. The reversal of 447199977 is 779991744.

It is not a de Polignac number, because 447199977 - 2¹⁴ = 447183593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447199477) 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, 625974 + ... + 626687.

It is an arithmetic number, because the mean of its divisors is an integer number (45095832).

Almost surely, 2^447199977 is an apocalyptic number.

It is an amenable number.

447199977 is a deficient number, since it is larger than the sum of its proper divisors (274333335).

447199977 is a wasteful number, since it uses less digits than its factorization.

447199977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252688.

The product of its digits is 4000752, while the sum is 57.

The square root of 447199977 is about 21147.1032768084. The cubic root of 447199977 is about 764.7167288171.

The spelling of 447199977 in words is "four hundred forty-seven million, one hundred ninety-nine thousand, nine hundred seventy-seven".