6879497085 has 24 divisors (see below), whose sum is σ = 11985007320. Its totient is φ = 3650435712.

The previous prime is 6879497017. The next prime is 6879497123. The reversal of 6879497085 is 5807949786.

6879497085 is a `hidden beast` number, since 68 + 7 + 9 + 497 + 0 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4353228441 + 2526268644 = 65979^2 + 50262^2 .

It is not a de Polignac number, because 6879497085 - 2⁸ = 6879496829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379150 + ... + 396879.

It is an arithmetic number, because the mean of its divisors is an integer number (499375305).

Almost surely, 2^6879497085 is an apocalyptic number.

It is an amenable number.

6879497085 is a deficient number, since it is larger than the sum of its proper divisors (5105510235).

6879497085 is a wasteful number, since it uses less digits than its factorization.

6879497085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776237 (or 776234 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The square root of 6879497085 is about 82942.7337685466. The cubic root of 6879497085 is about 1901.8907388134.

The spelling of 6879497085 in words is "six billion, eight hundred seventy-nine million, four hundred ninety-seven thousand, eighty-five".