8484399278 has 8 divisors (see below), whose sum is σ = 12727563240. Its totient is φ = 4241878200.

The previous prime is 8484399277. The next prime is 8484399299. The reversal of 8484399278 is 8729934848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8484399278² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8484399278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8484399277) 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, 126248 + ... + 181403.

It is an arithmetic number, because the mean of its divisors is an integer number (1590945405).

Almost surely, 2^8484399278 is an apocalyptic number.

8484399278 is a deficient number, since it is larger than the sum of its proper divisors (4243163962).

8484399278 is a wasteful number, since it uses less digits than its factorization.

8484399278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321442.

The product of its digits is 27869184, while the sum is 62.

The square root of 8484399278 is about 92110.7989217334. The cubic root of 8484399278 is about 2039.5782222662.

The spelling of 8484399278 in words is "eight billion, four hundred eighty-four million, three hundred ninety-nine thousand, two hundred seventy-eight".