797571515480 has 64 divisors (see below), whose sum is σ = 1830282804000. Its totient is φ = 312686033920.

The previous prime is 797571515399. The next prime is 797571515491. The reversal of 797571515480 is 84515175797.

It is a super-2 number, since 2×797571515480² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864796 + ... + 2252244.

Almost surely, 2^797571515480 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 797571515480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915141402000).

797571515480 is an abundant number, since it is smaller than the sum of its proper divisors (1032711288520).

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

797571515480 is a wasteful number, since it uses less digits than its factorization.

797571515480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388484 (or 388480 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 59.

The spelling of 797571515480 in words is "seven hundred ninety-seven billion, five hundred seventy-one million, five hundred fifteen thousand, four hundred eighty".