445671807077755 has 8 divisors (see below), whose sum is σ = 544896850918032. Its totient is φ = 349810324045728.

The previous prime is 445671807077753. The next prime is 445671807077773. The reversal of 445671807077755 is 557770708176544.

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 445671807077755 - 2¹ = 445671807077753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445671807077753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840890201769 + ... + 840890202298.

It is an arithmetic number, because the mean of its divisors is an integer number (68112106364754).

Almost surely, 2^{445671807077755} is an apocalyptic number.

445671807077755 is a deficient number, since it is larger than the sum of its proper divisors (99225043840277).

445671807077755 is a wasteful number, since it uses less digits than its factorization.

445671807077755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681780404125.

The product of its (nonzero) digits is 1613472000, while the sum is 73.

The spelling of 445671807077755 in words is "four hundred forty-five trillion, six hundred seventy-one billion, eight hundred seven million, seventy-seven thousand, seven hundred fifty-five".