98397911438 has 4 divisors (see below), whose sum is σ = 147596867160. Its totient is φ = 49198955718.

The previous prime is 98397911431. The next prime is 98397911461. The reversal of 98397911438 is 83411979389.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98397911431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24599477858 + ... + 24599477861.

It is an arithmetic number, because the mean of its divisors is an integer number (36899216790).

Almost surely, 2^98397911438 is an apocalyptic number.

98397911438 is a deficient number, since it is larger than the sum of its proper divisors (49198955722).

98397911438 is a wasteful number, since it uses less digits than its factorization.

98397911438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49198955721.

The product of its digits is 11757312, while the sum is 62.

The spelling of 98397911438 in words is "ninety-eight billion, three hundred ninety-seven million, nine hundred eleven thousand, four hundred thirty-eight".