6408334878 has 32 divisors (see below), whose sum is σ = 14000746752. Its totient is φ = 1939291200.

The previous prime is 6408334873. The next prime is 6408334883. The reversal of 6408334878 is 8784338046.

It is an interprime number because it is at equal distance from previous prime (6408334873) and next prime (6408334883).

It is a self number, because there is not a number n which added to its sum of digits gives 6408334878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408334871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16303 + ... + 114378.

It is an arithmetic number, because the mean of its divisors is an integer number (437523336).

Almost surely, 2^6408334878 is an apocalyptic number.

6408334878 is an abundant number, since it is smaller than the sum of its proper divisors (7592411874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6408334878 is a wasteful number, since it uses less digits than its factorization.

6408334878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131440.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The square root of 6408334878 is about 80052.0760380391. The cubic root of 6408334878 is about 1857.4411645788.

The spelling of 6408334878 in words is "six billion, four hundred eight million, three hundred thirty-four thousand, eight hundred seventy-eight".