445077477 has 64 divisors (see below), whose sum is σ = 747183360. Its totient is φ = 259967232.

The previous prime is 445077473. The next prime is 445077491. The reversal of 445077477 is 774770544.

445077477 is a `hidden beast` number, since 4 + 4 + 507 + 74 + 77 = 666.

It is not a de Polignac number, because 445077477 - 2² = 445077473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445077473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558043 + ... + 558839.

It is an arithmetic number, because the mean of its divisors is an integer number (11674740).

Almost surely, 2^445077477 is an apocalyptic number.

It is an amenable number.

445077477 is a deficient number, since it is larger than the sum of its proper divisors (302105883).

445077477 is a wasteful number, since it uses less digits than its factorization.

445077477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 45.

The square root of 445077477 is about 21096.8594108223. The cubic root of 445077477 is about 763.5049771755.

It can be divided in two parts, 44507 and 7477, that added together give a square (51984 = 228²).

The spelling of 445077477 in words is "four hundred forty-five million, seventy-seven thousand, four hundred seventy-seven".