6878254499 has 2 divisors, whose sum is σ = 6878254500. Its totient is φ = 6878254498.

The previous prime is 6878254477. The next prime is 6878254547. The reversal of 6878254499 is 9944528786.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6878254499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6878254099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439127249 + 3439127250.

It is an arithmetic number, because the mean of its divisors is an integer number (3439127250).

Almost surely, 2^6878254499 is an apocalyptic number.

6878254499 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878254499 is an equidigital number, since it uses as much as digits as its factorization.

6878254499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The square root of 6878254499 is about 82935.2428042506. The cubic root of 6878254499 is about 1901.7762243813.

The spelling of 6878254499 in words is "six billion, eight hundred seventy-eight million, two hundred fifty-four thousand, four hundred ninety-nine".