97012036800 has 1344 divisors, whose sum is σ = 434312202240. Its totient is φ = 20561264640.

The previous prime is 97012036777. The next prime is 97012036811. The reversal of 97012036800 is 863021079.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×97012036800² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 580910317 + ... + 580910483.

It is an arithmetic number, because the mean of its divisors is an integer number (323148960).

Almost surely, 2^97012036800 is an apocalyptic number.

97012036800 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 97012036800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217156101120).

97012036800 is an abundant number, since it is smaller than the sum of its proper divisors (337300165440).

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

97012036800 is a wasteful number, since it uses less digits than its factorization.

97012036800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

Adding to 97012036800 its reverse (863021079), we get a palindrome (97875057879).

The spelling of 97012036800 in words is "ninety-seven billion, twelve million, thirty-six thousand, eight hundred".