2278756755072 has 128 divisors (see below), whose sum is σ = 7686282787200. Its totient is φ = 651073351680.

The previous prime is 2278756755071. The next prime is 2278756755127. The reversal of 2278756755072 is 2705576578722.

It is a happy number.

2278756755072 is a `hidden beast` number, since 2 + 2 + 7 + 8 + 7 + 5 + 6 + 7 + 550 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2278756755071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47073129 + ... + 47121512.

It is an arithmetic number, because the mean of its divisors is an integer number (60049084275).

Almost surely, 2^{2278756755072} is an apocalyptic number.

It is an amenable number.

2278756755072 is an abundant number, since it is smaller than the sum of its proper divisors (5407526032128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2278756755072 is an equidigital number, since it uses as much as digits as its factorization.

2278756755072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94194671 (or 94194653 counting only the distinct ones).

The product of its (nonzero) digits is 115248000, while the sum is 63.

The spelling of 2278756755072 in words is "two trillion, two hundred seventy-eight billion, seven hundred fifty-six million, seven hundred fifty-five thousand, seventy-two".