97216236400 has 60 divisors (see below), whose sum is σ = 234313311024. Its totient is φ = 38761408000.

The previous prime is 97216236391. The next prime is 97216236419. The reversal of 97216236400 is 463261279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266341 + ... + 515140.

Almost surely, 2^97216236400 is an apocalyptic number.

It is an amenable number.

97216236400 is an abundant number, since it is smaller than the sum of its proper divisors (137097074624).

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

97216236400 is a wasteful number, since it uses less digits than its factorization.

97216236400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781810 (or 781799 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

Adding to 97216236400 its reverse (463261279), we get a palindrome (97679497679).

The spelling of 97216236400 in words is "ninety-seven billion, two hundred sixteen million, two hundred thirty-six thousand, four hundred".