2278297416427 has 2 divisors, whose sum is σ = 2278297416428. Its totient is φ = 2278297416426.

The previous prime is 2278297416401. The next prime is 2278297416431. The reversal of 2278297416427 is 7246147928722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2278297416427 - 2⁷ = 2278297416299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2278297417427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139148708213 + 1139148708214.

It is an arithmetic number, because the mean of its divisors is an integer number (1139148708214).

Almost surely, 2^{2278297416427} is an apocalyptic number.

2278297416427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278297416427 is an equidigital number, since it uses as much as digits as its factorization.

2278297416427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37933056, while the sum is 61.

The spelling of 2278297416427 in words is "two trillion, two hundred seventy-eight billion, two hundred ninety-seven million, four hundred sixteen thousand, four hundred twenty-seven".