4431045778277 has 16 divisors (see below), whose sum is σ = 4546768248000. Its totient is φ = 4315903046784.

The previous prime is 4431045778273. The next prime is 4431045778307. The reversal of 4431045778277 is 7728775401344.

It is a cyclic number.

It is not a de Polignac number, because 4431045778277 - 2² = 4431045778273 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 (4431045778273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127571849 + ... + 127606577.

It is an arithmetic number, because the mean of its divisors is an integer number (284173015500).

Almost surely, 2^{4431045778277} is an apocalyptic number.

It is an amenable number.

4431045778277 is a deficient number, since it is larger than the sum of its proper divisors (115722469723).

4431045778277 is a wasteful number, since it uses less digits than its factorization.

4431045778277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42980.

The product of its (nonzero) digits is 36879360, while the sum is 59.

The spelling of 4431045778277 in words is "four trillion, four hundred thirty-one billion, forty-five million, seven hundred seventy-eight thousand, two hundred seventy-seven".