98239831947 has 24 divisors (see below), whose sum is σ = 146505760128. Its totient is φ = 63369158400.

The previous prime is 98239831927. The next prime is 98239831961. The reversal of 98239831947 is 74913893289.

It is not a de Polignac number, because 98239831947 - 2²³ = 98231443339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98239831927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1693747 + ... + 1750787.

It is an arithmetic number, because the mean of its divisors is an integer number (6104406672).

Almost surely, 2^98239831947 is an apocalyptic number.

98239831947 is a deficient number, since it is larger than the sum of its proper divisors (48265928181).

98239831947 is a wasteful number, since it uses less digits than its factorization.

98239831947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63251 (or 63248 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 98239831947 in words is "ninety-eight billion, two hundred thirty-nine million, eight hundred thirty-one thousand, nine hundred forty-seven".