7829644652 has 24 divisors (see below), whose sum is σ = 13831188000. Its totient is φ = 3878050176.

The previous prime is 7829644649. The next prime is 7829644759. The reversal of 7829644652 is 2564469287.

It is a happy number.

It is a super-2 number, since 2×7829644652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7829644594 and 7829644603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160808 + ... + 203760.

It is an arithmetic number, because the mean of its divisors is an integer number (576299500).

Almost surely, 2^7829644652 is an apocalyptic number.

It is an amenable number.

7829644652 is a deficient number, since it is larger than the sum of its proper divisors (6001543348).

7829644652 is a wasteful number, since it uses less digits than its factorization.

7829644652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43385 (or 43383 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The square root of 7829644652 is about 88485.2792954851. The cubic root of 7829644652 is about 1985.7017445401.

The spelling of 7829644652 in words is "seven billion, eight hundred twenty-nine million, six hundred forty-four thousand, six hundred fifty-two".