98851666523 has 2 divisors, whose sum is σ = 98851666524. Its totient is φ = 98851666522.

The previous prime is 98851666429. The next prime is 98851666561. The reversal of 98851666523 is 32566615889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98851666523 - 2⁸ = 98851666267 is a prime.

It is not a weakly prime, because it can be changed into another prime (98851666583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49425833261 + 49425833262.

It is an arithmetic number, because the mean of its divisors is an integer number (49425833262).

Almost surely, 2^98851666523 is an apocalyptic number.

98851666523 is a deficient number, since it is larger than the sum of its proper divisors (1).

98851666523 is an equidigital number, since it uses as much as digits as its factorization.

98851666523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 59.

The spelling of 98851666523 in words is "ninety-eight billion, eight hundred fifty-one million, six hundred sixty-six thousand, five hundred twenty-three".