278014483 has 2 divisors, whose sum is σ = 278014484. Its totient is φ = 278014482.

The previous prime is 278014463. The next prime is 278014489. The reversal of 278014483 is 384410872.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-278014483 is a prime.

It is not a weakly prime, because it can be changed into another prime (278014489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139007241 + 139007242.

It is an arithmetic number, because the mean of its divisors is an integer number (139007242).

Almost surely, 2^278014483 is an apocalyptic number.

278014483 is a deficient number, since it is larger than the sum of its proper divisors (1).

278014483 is an equidigital number, since it uses as much as digits as its factorization.

278014483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 278014483 is about 16673.7663111848. The cubic root of 278014483 is about 652.6632214993.

The spelling of 278014483 in words is "two hundred seventy-eight million, fourteen thousand, four hundred eighty-three".