6829930778 has 32 divisors (see below), whose sum is σ = 11842599168. Its totient is φ = 2919692800.

The previous prime is 6829930769. The next prime is 6829930787. The reversal of 6829930778 is 8770399286.

It is an interprime number because it is at equal distance from previous prime (6829930769) and next prime (6829930787).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549998 + ... + 562278.

It is an arithmetic number, because the mean of its divisors is an integer number (370081224).

Almost surely, 2^6829930778 is an apocalyptic number.

6829930778 is a deficient number, since it is larger than the sum of its proper divisors (5012668390).

6829930778 is a wasteful number, since it uses less digits than its factorization.

6829930778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The square root of 6829930778 is about 82643.3952472912. The cubic root of 6829930778 is about 1897.3120604628.

The spelling of 6829930778 in words is "six billion, eight hundred twenty-nine million, nine hundred thirty thousand, seven hundred seventy-eight".