445049977 has 8 divisors (see below), whose sum is σ = 488842560. Its totient is φ = 403294320.

The previous prime is 445049971. The next prime is 445049993. The reversal of 445049977 is 779940544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445049977 - 2⁷ = 445049849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445049977.

It is not an unprimeable number, because it can be changed into a prime (445049971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508774 + ... + 509647.

It is an arithmetic number, because the mean of its divisors is an integer number (61105320).

Almost surely, 2^445049977 is an apocalyptic number.

It is an amenable number.

445049977 is a deficient number, since it is larger than the sum of its proper divisors (43792583).

445049977 is a wasteful number, since it uses less digits than its factorization.

445049977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018463.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 445049977 is about 21096.2076449773. The cubic root of 445049977 is about 763.4892519588.

The spelling of 445049977 in words is "four hundred forty-five million, forty-nine thousand, nine hundred seventy-seven".