1197760079880 has 1280 divisors, whose sum is σ = 5200520371200. Its totient is φ = 240441384960.

The previous prime is 1197760079869. The next prime is 1197760079903. The reversal of 1197760079880 is 889700677911.

1197760079880 is a `hidden beast` number, since 1 + 19 + 7 + 7 + 600 + 7 + 9 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 607074574 + ... + 607076546.

It is an arithmetic number, because the mean of its divisors is an integer number (4062906540).

Almost surely, 2^{1197760079880} is an apocalyptic number.

1197760079880 is a gapful number since it is divisible by the number (10) 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 1197760079880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600260185600).

1197760079880 is an abundant number, since it is smaller than the sum of its proper divisors (4002760291320).

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

1197760079880 is a wasteful number, since it uses less digits than its factorization.

1197760079880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 63.

The spelling of 1197760079880 in words is "one trillion, one hundred ninety-seven billion, seven hundred sixty million, seventy-nine thousand, eight hundred eighty".