97917549198 has 32 divisors (see below), whose sum is σ = 226326286080. Its totient is φ = 27662099520.

The previous prime is 97917549193. The next prime is 97917549203. The reversal of 97917549198 is 89194571979.

It is an interprime number because it is at equal distance from previous prime (97917549193) and next prime (97917549203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97917549193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13093848 + ... + 13101323.

It is an arithmetic number, because the mean of its divisors is an integer number (7072696440).

Almost surely, 2^97917549198 is an apocalyptic number.

97917549198 is an abundant number, since it is smaller than the sum of its proper divisors (128408736882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97917549198 is a wasteful number, since it uses less digits than its factorization.

97917549198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26195272.

The product of its digits is 51438240, while the sum is 69.

The spelling of 97917549198 in words is "ninety-seven billion, nine hundred seventeen million, five hundred forty-nine thousand, one hundred ninety-eight".