6834980879 has 4 divisors (see below), whose sum is σ = 6835345176. Its totient is φ = 6834616584.

The previous prime is 6834980857. The next prime is 6834980897. The reversal of 6834980879 is 9780894386.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9780894386 = 2 ⋅4890447193.

It is a cyclic number.

It is not a de Polignac number, because 6834980879 - 2²⁸ = 6566545423 is a prime.

It is a super-2 number, since 2×6834980879² = 93433927232591225282, which 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 (6834980819) 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, 152384 + ... + 192069.

It is an arithmetic number, because the mean of its divisors is an integer number (1708836294).

Almost surely, 2^6834980879 is an apocalyptic number.

6834980879 is a deficient number, since it is larger than the sum of its proper divisors (364297).

6834980879 is a wasteful number, since it uses less digits than its factorization.

6834980879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364296.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The square root of 6834980879 is about 82673.9431683284. The cubic root of 6834980879 is about 1897.7795740801.

The spelling of 6834980879 in words is "six billion, eight hundred thirty-four million, nine hundred eighty thousand, eight hundred seventy-nine".