4282387878645 has 48 divisors (see below), whose sum is σ = 7606143365184. Its totient is φ = 2227562208000.

The previous prime is 4282387878641. The next prime is 4282387878647. The reversal of 4282387878645 is 5468787832824.

It is a happy number.

4282387878645 is a `hidden beast` number, since 42 + 82 + 387 + 8 + 78 + 64 + 5 = 666.

It is not a de Polignac number, because 4282387878645 - 2² = 4282387878641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4282387878641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5797290 + ... + 6494100.

It is an arithmetic number, because the mean of its divisors is an integer number (158461320108).

Almost surely, 2^{4282387878645} is an apocalyptic number.

4282387878645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4282387878645 is a deficient number, since it is larger than the sum of its proper divisors (3323755486539).

4282387878645 is a wasteful number, since it uses less digits than its factorization.

4282387878645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700194 (or 700191 counting only the distinct ones).

The product of its digits is 1156055040, while the sum is 72.

The spelling of 4282387878645 in words is "four trillion, two hundred eighty-two billion, three hundred eighty-seven million, eight hundred seventy-eight thousand, six hundred forty-five".