97841138880 has 224 divisors, whose sum is σ = 325703720448. Its totient is φ = 24837120000.

The previous prime is 97841138867. The next prime is 97841138897. The reversal of 97841138880 is 8883114879.

It is a self number, because there is not a number n which added to its sum of digits gives 97841138880.

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 31 ways as a sum of consecutive naturals, for example, 4648380 + ... + 4669380.

Almost surely, 2^97841138880 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 97841138880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162851860224).

97841138880 is an abundant number, since it is smaller than the sum of its proper divisors (227862581568).

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

97841138880 is a wasteful number, since it uses less digits than its factorization.

97841138880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21255 (or 21245 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 57.

The spelling of 97841138880 in words is "ninety-seven billion, eight hundred forty-one million, one hundred thirty-eight thousand, eight hundred eighty".