97830180766840 has 32 divisors (see below), whose sum is σ = 220122481898880. Its totient is φ = 39131258942592.

The previous prime is 97830180766709. The next prime is 97830180766867. The reversal of 97830180766840 is 4866708103879.

It is a happy number.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23467272 + ... + 27319831.

It is an arithmetic number, because the mean of its divisors is an integer number (6878827559340).

Almost surely, 2^{97830180766840} is an apocalyptic number.

It is an amenable number.

97830180766840 is an abundant number, since it is smaller than the sum of its proper divisors (122292301132040).

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

97830180766840 is a wasteful number, since it uses less digits than its factorization.

97830180766840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50835271 (or 50835267 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 97830180766840 in words is "ninety-seven trillion, eight hundred thirty billion, one hundred eighty million, seven hundred sixty-six thousand, eight hundred forty".