97236203540 has 96 divisors (see below), whose sum is σ = 238223026944. Its totient is φ = 32650168320.

The previous prime is 97236203539. The next prime is 97236203549. The reversal of 97236203540 is 4530263279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97236203549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1592780 + ... + 1652700.

It is an arithmetic number, because the mean of its divisors is an integer number (2481489864).

Almost surely, 2^97236203540 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 97236203540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119111513472).

97236203540 is an abundant number, since it is smaller than the sum of its proper divisors (140986823404).

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

97236203540 is a wasteful number, since it uses less digits than its factorization.

97236203540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60177 (or 60175 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 97236203540 in words is "ninety-seven billion, two hundred thirty-six million, two hundred three thousand, five hundred forty".