1197799680 has 288 divisors, whose sum is σ = 4770597888. Its totient is φ = 248832000.

The previous prime is 1197799667. The next prime is 1197799693. The reversal of 1197799680 is 869977911.

It is an interprime number because it is at equal distance from previous prime (1197799667) and next prime (1197799693).

It is a self number, because there is not a number n which added to its sum of digits gives 1197799680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293655 + ... + 297705.

It is an arithmetic number, because the mean of its divisors is an integer number (16564576).

Almost surely, 2^1197799680 is an apocalyptic number.

1197799680 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 1197799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2385298944).

1197799680 is an abundant number, since it is smaller than the sum of its proper divisors (3572798208).

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

1197799680 is a wasteful number, since it uses less digits than its factorization.

1197799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 57.

The square root of 1197799680 is about 34609.2426961354. The cubic root of 1197799680 is about 1062.0086748877.

The spelling of 1197799680 in words is "one billion, one hundred ninety-seven million, seven hundred ninety-nine thousand, six hundred eighty".