7829498879 has 4 divisors (see below), whose sum is σ = 7832247960. Its totient is φ = 7826749800.

The previous prime is 7829498863. The next prime is 7829498881. The reversal of 7829498879 is 9788949287.

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

It is a cyclic number.

It is not a de Polignac number, because 7829498879 - 2⁴ = 7829498863 is a prime.

It is a super-2 number, since 2×7829498879² (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 (7829498279) 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, 1370264 + ... + 1375965.

It is an arithmetic number, because the mean of its divisors is an integer number (1958061990).

Almost surely, 2^7829498879 is an apocalyptic number.

7829498879 is a deficient number, since it is larger than the sum of its proper divisors (2749081).

7829498879 is a wasteful number, since it uses less digits than its factorization.

7829498879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749080.

The product of its digits is 146313216, while the sum is 71.

The square root of 7829498879 is about 88484.4555783670. The cubic root of 7829498879 is about 1985.6894211415.

The spelling of 7829498879 in words is "seven billion, eight hundred twenty-nine million, four hundred ninety-eight thousand, eight hundred seventy-nine".