97989427200 has 528 divisors, whose sum is σ = 374467371840. Its totient is φ = 22145925120.

The previous prime is 97989427199. The next prime is 97989427213. The reversal of 97989427200 is 272498979.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1101004756 + ... + 1101004844.

Almost surely, 2^97989427200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97989427200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187233685920).

97989427200 is an abundant number, since it is smaller than the sum of its proper divisors (276477944640).

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

97989427200 is an frugal number, since it uses more digits than its factorization.

97989427200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 97989427200 in words is "ninety-seven billion, nine hundred eighty-nine million, four hundred twenty-seven thousand, two hundred".