7829971201 has 4 divisors (see below), whose sum is σ = 8432276692. Its totient is φ = 7227665712.

The previous prime is 7829971199. The next prime is 7829971217. The reversal of 7829971201 is 1021799287.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2683343601 + 5146627600 = 51801^2 + 71740^2 .

It is a cyclic number.

It is not a de Polignac number, because 7829971201 - 2¹ = 7829971199 is a prime.

It is a super-2 number, since 2×7829971201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7829971301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301152726 + ... + 301152751.

It is an arithmetic number, because the mean of its divisors is an integer number (2108069173).

Almost surely, 2^7829971201 is an apocalyptic number.

It is an amenable number.

7829971201 is a deficient number, since it is larger than the sum of its proper divisors (602305491).

7829971201 is a wasteful number, since it uses less digits than its factorization.

7829971201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602305490.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 7829971201 is about 88487.1244927758. The cubic root of 7829971201 is about 1985.7293498757.

The spelling of 7829971201 in words is "seven billion, eight hundred twenty-nine million, nine hundred seventy-one thousand, two hundred one".