98397299391 has 4 divisors (see below), whose sum is σ = 131196399192. Its totient is φ = 65598199592.

The previous prime is 98397299381. The next prime is 98397299401. The reversal of 98397299391 is 19399279389.

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

It is an interprime number because it is at equal distance from previous prime (98397299381) and next prime (98397299401).

It is a cyclic number.

It is not a de Polignac number, because 98397299391 - 2²¹ = 98395202239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98397299311) 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, 16399549896 + ... + 16399549901.

It is an arithmetic number, because the mean of its divisors is an integer number (32799099798).

Almost surely, 2^98397299391 is an apocalyptic number.

98397299391 is a deficient number, since it is larger than the sum of its proper divisors (32799099801).

98397299391 is a wasteful number, since it uses less digits than its factorization.

98397299391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32799099800.

The product of its digits is 59521392, while the sum is 69.

The spelling of 98397299391 in words is "ninety-eight billion, three hundred ninety-seven million, two hundred ninety-nine thousand, three hundred ninety-one".