97200000000 has 594 divisors, whose sum is σ = 363822079348. Its totient is φ = 25920000000.

The previous prime is 97199999933. The next prime is 97200000017. The reversal of 97200000000 is 279.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 19439999998 + ... + 19440000002.

Almost surely, 2^97200000000 is an apocalyptic number.

97200000000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181911039674).

97200000000 is an abundant number, since it is smaller than the sum of its proper divisors (266622079348).

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

97200000000 is an frugal number, since it uses more digits than its factorization.

97200000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

Adding to 97200000000 its reverse (279), we get a palindrome (97200000279).

The spelling of 97200000000 in words is "ninety-seven billion, two hundred million", and thus it is an aban number.