1597938856580 has 48 divisors (see below), whose sum is σ = 3819894954624. Its totient is φ = 555804817920.

The previous prime is 1597938856571. The next prime is 1597938856589. The reversal of 1597938856580 is 856588397951.

It is an interprime number because it is at equal distance from previous prime (1597938856571) and next prime (1597938856589).

It is a junction number, because it is equal to n+sod(n) for n = 1597938856498 and 1597938856507.

It is not an unprimeable number, because it can be changed into a prime (1597938856589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157894037 + ... + 157904156.

It is an arithmetic number, because the mean of its divisors is an integer number (79581144888).

Almost surely, 2^{1597938856580} is an apocalyptic number.

1597938856580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1597938856580 is an abundant number, since it is smaller than the sum of its proper divisors (2221956098044).

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

1597938856580 is a wasteful number, since it uses less digits than its factorization.

1597938856580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315798236 (or 315798234 counting only the distinct ones).

The product of its (nonzero) digits is 653184000, while the sum is 74.

The spelling of 1597938856580 in words is "one trillion, five hundred ninety-seven billion, nine hundred thirty-eight million, eight hundred fifty-six thousand, five hundred eighty".