597997869056 has 144 divisors (see below), whose sum is σ = 1392180426000. Its totient is φ = 256052772864.

The previous prime is 597997869037. The next prime is 597997869103. The reversal of 597997869056 is 650968799795.

It is a happy number.

It is a super-2 number, since 2×597997869056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 155443325 + ... + 155447171.

It is an arithmetic number, because the mean of its divisors is an integer number (9667919625).

Almost surely, 2^597997869056 is an apocalyptic number.

597997869056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 597997869056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696090213000).

597997869056 is an abundant number, since it is smaller than the sum of its proper divisors (794182556944).

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

597997869056 is a wasteful number, since it uses less digits than its factorization.

597997869056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 2314720800, while the sum is 80.

The spelling of 597997869056 in words is "five hundred ninety-seven billion, nine hundred ninety-seven million, eight hundred sixty-nine thousand, fifty-six".