446377663 has 4 divisors (see below), whose sum is σ = 447726568. Its totient is φ = 445028760.

The previous prime is 446377661. The next prime is 446377667. The reversal of 446377663 is 366773644.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 446377663 - 2¹ = 446377661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446377661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673956 + ... + 674617.

It is an arithmetic number, because the mean of its divisors is an integer number (111931642).

Almost surely, 2^446377663 is an apocalyptic number.

446377663 is a deficient number, since it is larger than the sum of its proper divisors (1348905).

446377663 is a wasteful number, since it uses less digits than its factorization.

446377663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348904.

The product of its digits is 1524096, while the sum is 46.

The square root of 446377663 is about 21127.6516205659. The cubic root of 446377663 is about 764.2477193245.

The spelling of 446377663 in words is "four hundred forty-six million, three hundred seventy-seven thousand, six hundred sixty-three".