2478895427 has 2 divisors, whose sum is σ = 2478895428. Its totient is φ = 2478895426.

The previous prime is 2478895423. The next prime is 2478895457. The reversal of 2478895427 is 7245988742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478895427 - 2² = 2478895423 is a prime.

It is a super-2 number, since 2×2478895427² = 12289845076003024658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2478895423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239447713 + 1239447714.

It is an arithmetic number, because the mean of its divisors is an integer number (1239447714).

Almost surely, 2^2478895427 is an apocalyptic number.

2478895427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478895427 is an equidigital number, since it uses as much as digits as its factorization.

2478895427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 56.

The square root of 2478895427 is about 49788.5069770123. The cubic root of 2478895427 is about 1353.3789025413.

The spelling of 2478895427 in words is "two billion, four hundred seventy-eight million, eight hundred ninety-five thousand, four hundred twenty-seven".