6280563978 has 48 divisors (see below), whose sum is σ = 15127397376. Its totient is φ = 1870140960.

The previous prime is 6280563973. The next prime is 6280564007. The reversal of 6280563978 is 8793650826.

It is a happy number.

6280563978 is a `hidden beast` number, since 6 + 2 + 8 + 0 + 563 + 9 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (6280563973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425650 + ... + 440157.

It is an arithmetic number, because the mean of its divisors is an integer number (315154112).

Almost surely, 2^6280563978 is an apocalyptic number.

6280563978 is an abundant number, since it is smaller than the sum of its proper divisors (8846833398).

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

6280563978 is a wasteful number, since it uses less digits than its factorization.

6280563978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865859 (or 865856 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 6280563978 is about 79250.0093249206. The cubic root of 6280563978 is about 1845.0134989208.

The spelling of 6280563978 in words is "six billion, two hundred eighty million, five hundred sixty-three thousand, nine hundred seventy-eight".