97181177280 has 224 divisors, whose sum is σ = 356400933120. Its totient is φ = 22173204480.

The previous prime is 97181177243. The next prime is 97181177287. The reversal of 97181177280 is 8277118179.

97181177280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97181177287) 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, 91150 + ... + 450189.

Almost surely, 2^97181177280 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 97181177280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178200466560).

97181177280 is an abundant number, since it is smaller than the sum of its proper divisors (259219755840).

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

97181177280 is a wasteful number, since it uses less digits than its factorization.

97181177280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541387 (or 541377 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 51.

The spelling of 97181177280 in words is "ninety-seven billion, one hundred eighty-one million, one hundred seventy-seven thousand, two hundred eighty".