98717687 has 2 divisors, whose sum is σ = 98717688. Its totient is φ = 98717686.

The previous prime is 98717639. The next prime is 98717699. The reversal of 98717687 is 78671789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98717687 - 2⁸ = 98717431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98717617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49358843 + 49358844.

It is an arithmetic number, because the mean of its divisors is an integer number (49358844).

Almost surely, 2^98717687 is an apocalyptic number.

98717687 is a deficient number, since it is larger than the sum of its proper divisors (1).

98717687 is an equidigital number, since it uses as much as digits as its factorization.

98717687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 53.

The square root of 98717687 is about 9935.6774806754. The cubic root of 98717687 is about 462.1663522056.

The spelling of 98717687 in words is "ninety-eight million, seven hundred seventeen thousand, six hundred eighty-seven".