397796081088 has 224 divisors, whose sum is σ = 1253279858688. Its totient is φ = 108960537600.

The previous prime is 397796081071. The next prime is 397796081107. The reversal of 397796081088 is 880180697793.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4413433 + ... + 4502663.

Almost surely, 2^397796081088 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 397796081088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626639929344).

397796081088 is an abundant number, since it is smaller than the sum of its proper divisors (855483777600).

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

397796081088 is a wasteful number, since it uses less digits than its factorization.

397796081088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89391 (or 89381 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 397796081088 in words is "three hundred ninety-seven billion, seven hundred ninety-six million, eighty-one thousand, eighty-eight".