6427278808 has 64 divisors (see below), whose sum is σ = 13452566400. Its totient is φ = 2860945920.

The previous prime is 6427278799. The next prime is 6427278817. The reversal of 6427278808 is 8088727246.

It is an interprime number because it is at equal distance from previous prime (6427278799) and next prime (6427278817).

It is a congruent number.

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, 2094091 + ... + 2097157.

It is an arithmetic number, because the mean of its divisors is an integer number (210196350).

Almost surely, 2^6427278808 is an apocalyptic number.

6427278808 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6427278808 is an abundant number, since it is smaller than the sum of its proper divisors (7025287592).

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

6427278808 is a wasteful number, since it uses less digits than its factorization.

6427278808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 6427278808 is about 80170.3112629607. The cubic root of 6427278808 is about 1859.2696488945.

The spelling of 6427278808 in words is "six billion, four hundred twenty-seven million, two hundred seventy-eight thousand, eight hundred eight".