7899297829 has 8 divisors (see below), whose sum is σ = 8252358912. Its totient is φ = 7552377120.

The previous prime is 7899297821. The next prime is 7899297871. The reversal of 7899297829 is 9287929987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7899297829 - 2³ = 7899297821 is a prime.

It is a super-2 number, since 2×7899297829² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7899297821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532464 + ... + 1537609.

It is an arithmetic number, because the mean of its divisors is an integer number (1031544864).

Almost surely, 2^7899297829 is an apocalyptic number.

It is an amenable number.

7899297829 is a deficient number, since it is larger than the sum of its proper divisors (353061083).

7899297829 is a wasteful number, since it uses less digits than its factorization.

7899297829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070187.

The product of its digits is 82301184, while the sum is 70.

The square root of 7899297829 is about 88877.9940648978. The cubic root of 7899297829 is about 1991.5726925364.

The spelling of 7899297829 in words is "seven billion, eight hundred ninety-nine million, two hundred ninety-seven thousand, eight hundred twenty-nine".