2278890012937 has 2 divisors, whose sum is σ = 2278890012938. Its totient is φ = 2278890012936.

The previous prime is 2278890012901. The next prime is 2278890012943. The reversal of 2278890012937 is 7392100988722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1448566302096 + 830323710841 = 1203564^2 + 911221^2 .

It is a cyclic number.

It is not a de Polignac number, because 2278890012937 - 2¹¹ = 2278890010889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2278890012947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139445006468 + 1139445006469.

It is an arithmetic number, because the mean of its divisors is an integer number (1139445006469).

Almost surely, 2^{2278890012937} is an apocalyptic number.

It is an amenable number.

2278890012937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278890012937 is an equidigital number, since it uses as much as digits as its factorization.

2278890012937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 2278890012937 in words is "two trillion, two hundred seventy-eight billion, eight hundred ninety million, twelve thousand, nine hundred thirty-seven".