7238898427 has 2 divisors, whose sum is σ = 7238898428. Its totient is φ = 7238898426.

The previous prime is 7238898421. The next prime is 7238898449. The reversal of 7238898427 is 7248988327.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7238898427 - 2³ = 7238898419 is a prime.

It is not a weakly prime, because it can be changed into another prime (7238898421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619449213 + 3619449214.

It is an arithmetic number, because the mean of its divisors is an integer number (3619449214).

Almost surely, 2^7238898427 is an apocalyptic number.

7238898427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7238898427 is an equidigital number, since it uses as much as digits as its factorization.

7238898427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 58.

The square root of 7238898427 is about 85081.7161733354. The cubic root of 7238898427 is about 1934.4499347428.

The spelling of 7238898427 in words is "seven billion, two hundred thirty-eight million, eight hundred ninety-eight thousand, four hundred twenty-seven".