2278752945399 has 64 divisors (see below), whose sum is σ = 4063943680000. Its totient is φ = 1260139718880.

The previous prime is 2278752945389. The next prime is 2278752945401. The reversal of 2278752945399 is 9935492578722.

2278752945399 is a `hidden beast` number, since 2 + 2 + 7 + 8 + 7 + 529 + 4 + 5 + 3 + 99 = 666.

It is not a de Polignac number, because 2278752945399 - 2¹¹ = 2278752943351 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 (2278752945379) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3681604 + ... + 4255785.

It is an arithmetic number, because the mean of its divisors is an integer number (63499120000).

Almost surely, 2^{2278752945399} is an apocalyptic number.

2278752945399 is a deficient number, since it is larger than the sum of its proper divisors (1785190734601).

2278752945399 is an equidigital number, since it uses as much as digits as its factorization.

2278752945399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937450 (or 7937430 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 72.

The spelling of 2278752945399 in words is "two trillion, two hundred seventy-eight billion, seven hundred fifty-two million, nine hundred forty-five thousand, three hundred ninety-nine".