8748778478 has 16 divisors (see below), whose sum is σ = 14550876720. Its totient is φ = 3911524800.

The previous prime is 8748778477. The next prime is 8748778487.

8748778478 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8748778478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8748778477) 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 7 ways as a sum of consecutive naturals, for example, 3258263 + ... + 3260946.

It is an arithmetic number, because the mean of its divisors is an integer number (909429795).

Almost surely, 2^8748778478 is an apocalyptic number.

8748778478 is a deficient number, since it is larger than the sum of its proper divisors (5802098242).

8748778478 is a wasteful number, since it uses less digits than its factorization.

8748778478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519283.

The product of its digits is 157351936, while the sum is 68.

The square root of 8748778478 is about 93534.9051317207. The cubic root of 8748778478 is about 2060.5467551434.

The spelling of 8748778478 in words is "eight billion, seven hundred forty-eight million, seven hundred seventy-eight thousand, four hundred seventy-eight".