4287493378 has 32 divisors (see below), whose sum is σ = 7691074560. Its totient is φ = 1753850880.

The previous prime is 4287493373. The next prime is 4287493391. The reversal of 4287493378 is 8733947824.

It is not an unprimeable number, because it can be changed into a prime (4287493373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35983 + ... + 99346.

It is an arithmetic number, because the mean of its divisors is an integer number (240346080).

Almost surely, 2^4287493378 is an apocalyptic number.

4287493378 is a deficient number, since it is larger than the sum of its proper divisors (3403581182).

4287493378 is a wasteful number, since it uses less digits than its factorization.

4287493378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135442.

The product of its digits is 8128512, while the sum is 55.

The square root of 4287493378 is about 65478.9537026975. The cubic root of 4287493378 is about 1624.5552553939. Note that the first 3 decimals are identical.

The spelling of 4287493378 in words is "four billion, two hundred eighty-seven million, four hundred ninety-three thousand, three hundred seventy-eight".