8280238478 has 4 divisors (see below), whose sum is σ = 12420357720. Its totient is φ = 4140119238.

The previous prime is 8280238423. The next prime is 8280238507. The reversal of 8280238478 is 8748320828.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070059618 + ... + 2070059621.

It is an arithmetic number, because the mean of its divisors is an integer number (3105089430).

Almost surely, 2^8280238478 is an apocalyptic number.

8280238478 is a deficient number, since it is larger than the sum of its proper divisors (4140119242).

8280238478 is a wasteful number, since it uses less digits than its factorization.

8280238478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140119241.

The product of its (nonzero) digits is 1376256, while the sum is 50.

The square root of 8280238478 is about 90995.8157169878. The cubic root of 8280238478 is about 2023.0857062890.

The spelling of 8280238478 in words is "eight billion, two hundred eighty million, two hundred thirty-eight thousand, four hundred seventy-eight".