98513811 has 24 divisors (see below), whose sum is σ = 155915760. Its totient is φ = 59443200.

The previous prime is 98513809. The next prime is 98513813. The reversal of 98513811 is 11831589.

It is an interprime number because it is at equal distance from previous prime (98513809) and next prime (98513813).

It is not a de Polignac number, because 98513811 - 2¹ = 98513809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98513813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21795 + ... + 25923.

It is an arithmetic number, because the mean of its divisors is an integer number (6496490).

Almost surely, 2^98513811 is an apocalyptic number.

98513811 is a deficient number, since it is larger than the sum of its proper divisors (57401949).

98513811 is a wasteful number, since it uses less digits than its factorization.

98513811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387 (or 4384 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 98513811 is about 9925.4123843798. The cubic root of 98513811 is about 461.8479710043.

The spelling of 98513811 in words is "ninety-eight million, five hundred thirteen thousand, eight hundred eleven".