6697779200 has 240 divisors, whose sum is σ = 19243448400. Its totient is φ = 2264924160.

The previous prime is 6697779161. The next prime is 6697779203. The reversal of 6697779200 is 29777966.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697779203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91750364 + ... + 91750436.

It is an arithmetic number, because the mean of its divisors is an integer number (80181035).

Almost surely, 2^6697779200 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 6697779200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9621724200).

6697779200 is an abundant number, since it is smaller than the sum of its proper divisors (12545669200).

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

6697779200 is an frugal number, since it uses more digits than its factorization.

6697779200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 53.

The square root of 6697779200 is about 81839.9608993064. The cubic root of 6697779200 is about 1884.9953164497.

The spelling of 6697779200 in words is "six billion, six hundred ninety-seven million, seven hundred seventy-nine thousand, two hundred".