278380310147 has 2 divisors, whose sum is σ = 278380310148. Its totient is φ = 278380310146.

The previous prime is 278380310141. The next prime is 278380310177. The reversal of 278380310147 is 741013083872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 278380310147 - 2⁶ = 278380310083 is a prime.

It is a super-2 number, since 2×278380310147² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 278380310098 and 278380310107.

It is not a weakly prime, because it can be changed into another prime (278380310141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139190155073 + 139190155074.

It is an arithmetic number, because the mean of its divisors is an integer number (139190155074).

Almost surely, 2^278380310147 is an apocalyptic number.

278380310147 is a deficient number, since it is larger than the sum of its proper divisors (1).

278380310147 is an equidigital number, since it uses as much as digits as its factorization.

278380310147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 278380310147 in words is "two hundred seventy-eight billion, three hundred eighty million, three hundred ten thousand, one hundred forty-seven".