4478359987 has 4 divisors (see below), whose sum is σ = 4480270456. Its totient is φ = 4476449520.

The previous prime is 4478359937. The next prime is 4478359993. The reversal of 4478359987 is 7899538744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4478359987 - 2²³ = 4469971379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4478359927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951714 + ... + 956407.

It is an arithmetic number, because the mean of its divisors is an integer number (1120067614).

Almost surely, 2^4478359987 is an apocalyptic number.

4478359987 is a deficient number, since it is larger than the sum of its proper divisors (1910469).

4478359987 is a wasteful number, since it uses less digits than its factorization.

4478359987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910468.

The product of its digits is 60963840, while the sum is 64.

The square root of 4478359987 is about 66920.5498109512. The cubic root of 4478359987 is about 1648.3129358045.

The spelling of 4478359987 in words is "four billion, four hundred seventy-eight million, three hundred fifty-nine thousand, nine hundred eighty-seven".