4378487255 has 32 divisors (see below), whose sum is σ = 5466379776. Its totient is φ = 3364550784.

The previous prime is 4378487249. The next prime is 4378487263. The reversal of 4378487255 is 5527848734.

It is a cyclic number.

It is not a de Polignac number, because 4378487255 - 2²⁰ = 4377438679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4378487197 and 4378487206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3609029 + ... + 3610241.

It is an arithmetic number, because the mean of its divisors is an integer number (170824368).

Almost surely, 2^4378487255 is an apocalyptic number.

4378487255 is a deficient number, since it is larger than the sum of its proper divisors (1087892521).

4378487255 is a wasteful number, since it uses less digits than its factorization.

4378487255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its digits is 7526400, while the sum is 53.

The square root of 4378487255 is about 66170.1386956382. The cubic root of 4378487255 is about 1635.9675936804.

The spelling of 4378487255 in words is "four billion, three hundred seventy-eight million, four hundred eighty-seven thousand, two hundred fifty-five".