97285273140 has 192 divisors, whose sum is σ = 304732834560. Its totient is φ = 22984704000.

The previous prime is 97285273103. The next prime is 97285273153. The reversal of 97285273140 is 4137258279.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97285273140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46569216 + ... + 46571304.

It is an arithmetic number, because the mean of its divisors is an integer number (1587150180).

Almost surely, 2^97285273140 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 97285273140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152366417280).

97285273140 is an abundant number, since it is smaller than the sum of its proper divisors (207447561420).

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

97285273140 is a wasteful number, since it uses less digits than its factorization.

97285273140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 97285273140 in words is "ninety-seven billion, two hundred eighty-five million, two hundred seventy-three thousand, one hundred forty".