98699947 has 2 divisors, whose sum is σ = 98699948. Its totient is φ = 98699946.

The previous prime is 98699933. The next prime is 98699971. The reversal of 98699947 is 74999689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98699947 - 2¹⁹ = 98175659 is a prime.

It is not a weakly prime, because it can be changed into another prime (98699987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49349973 + 49349974.

It is an arithmetic number, because the mean of its divisors is an integer number (49349974).

Almost surely, 2^98699947 is an apocalyptic number.

98699947 is a deficient number, since it is larger than the sum of its proper divisors (1).

98699947 is an equidigital number, since it uses as much as digits as its factorization.

98699947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 61.

The square root of 98699947 is about 9934.7846982207. The cubic root of 98699947 is about 462.1386661090.

The spelling of 98699947 in words is "ninety-eight million, six hundred ninety-nine thousand, nine hundred forty-seven".