98506242397 has 4 divisors (see below), whose sum is σ = 98572222620. Its totient is φ = 98440262176.

The previous prime is 98506242347. The next prime is 98506242437. The reversal of 98506242397 is 79324260589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73821433401 + 24684808996 = 271701^2 + 157114^2 .

It is a cyclic number.

It is not a de Polignac number, because 98506242397 - 2²³ = 98497853789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98506242347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32987872 + ... + 32990857.

It is an arithmetic number, because the mean of its divisors is an integer number (24643055655).

Almost surely, 2^98506242397 is an apocalyptic number.

It is an amenable number.

98506242397 is a deficient number, since it is larger than the sum of its proper divisors (65980223).

98506242397 is a wasteful number, since it uses less digits than its factorization.

98506242397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65980222.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 98506242397 in words is "ninety-eight billion, five hundred six million, two hundred forty-two thousand, three hundred ninety-seven".