98187499 has 2 divisors, whose sum is σ = 98187500. Its totient is φ = 98187498.

The previous prime is 98187487. The next prime is 98187511. The reversal of 98187499 is 99478189.

It is a balanced prime because it is at equal distance from previous prime (98187487) and next prime (98187511).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98187499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98787499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49093749 + 49093750.

It is an arithmetic number, because the mean of its divisors is an integer number (49093750).

Almost surely, 2^98187499 is an apocalyptic number.

98187499 is a deficient number, since it is larger than the sum of its proper divisors (1).

98187499 is an equidigital number, since it uses as much as digits as its factorization.

98187499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 55.

The square root of 98187499 is about 9908.9605408438. The cubic root of 98187499 is about 461.3374732445.

The spelling of 98187499 in words is "ninety-eight million, one hundred eighty-seven thousand, four hundred ninety-nine".