298238316487 has 2 divisors, whose sum is σ = 298238316488. Its totient is φ = 298238316486.

The previous prime is 298238316479. The next prime is 298238316547. The reversal of 298238316487 is 784613832892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298238316487 - 2³ = 298238316479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298238316587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149119158243 + 149119158244.

It is an arithmetic number, because the mean of its divisors is an integer number (149119158244).

Almost surely, 2^298238316487 is an apocalyptic number.

298238316487 is a deficient number, since it is larger than the sum of its proper divisors (1).

298238316487 is an equidigital number, since it uses as much as digits as its factorization.

298238316487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 61.

The spelling of 298238316487 in words is "two hundred ninety-eight billion, two hundred thirty-eight million, three hundred sixteen thousand, four hundred eighty-seven".