3197652780 has 144 divisors (see below), whose sum is σ = 10469977056. Its totient is φ = 727050240.

The previous prime is 3197652767. The next prime is 3197652797. The reversal of 3197652780 is 872567913.

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 47 ways as a sum of consecutive naturals, for example, 576420 + ... + 581940.

It is an arithmetic number, because the mean of its divisors is an integer number (72708174).

Almost surely, 2^3197652780 is an apocalyptic number.

3197652780 is a gapful number since it is divisible by the number (30) 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 3197652780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5234988528).

3197652780 is an abundant number, since it is smaller than the sum of its proper divisors (7272324276).

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

3197652780 is a wasteful number, since it uses less digits than its factorization.

3197652780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 3197652780 is about 56547.7919993345. The cubic root of 3197652780 is about 1473.2522099752.

The spelling of 3197652780 in words is "three billion, one hundred ninety-seven million, six hundred fifty-two thousand, seven hundred eighty".