2277775047981 has 8 divisors (see below), whose sum is σ = 3135002216704. Its totient is φ = 1469532288960.

The previous prime is 2277775047967. The next prime is 2277775047983. The reversal of 2277775047981 is 1897405777722.

It is a happy number.

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

It is not a de Polignac number, because 2277775047981 - 2¹¹ = 2277775045933 is a prime.

It is a super-2 number, since 2×2277775047981² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277775047983) 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 7 ways as a sum of consecutive naturals, for example, 12246102316 + ... + 12246102501.

It is an arithmetic number, because the mean of its divisors is an integer number (391875277088).

Almost surely, 2^{2277775047981} is an apocalyptic number.

It is an amenable number.

2277775047981 is a deficient number, since it is larger than the sum of its proper divisors (857227168723).

2277775047981 is a wasteful number, since it uses less digits than its factorization.

2277775047981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492204851.

The product of its (nonzero) digits is 96808320, while the sum is 66.

The spelling of 2277775047981 in words is "two trillion, two hundred seventy-seven billion, seven hundred seventy-five million, forty-seven thousand, nine hundred eighty-one".