8534806878 has 64 divisors (see below), whose sum is σ = 19373679360. Its totient is φ = 2484857088.

The previous prime is 8534806793. The next prime is 8534806879. The reversal of 8534806878 is 8786084358.

It is a happy number.

It is a super-2 number, since 2×8534806878² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534806879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1409325 + ... + 1415367.

It is an arithmetic number, because the mean of its divisors is an integer number (302713740).

Almost surely, 2^8534806878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8534806878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9686839680).

8534806878 is an abundant number, since it is smaller than the sum of its proper divisors (10838872482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8534806878 is a wasteful number, since it uses less digits than its factorization.

8534806878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The square root of 8534806878 is about 92384.0185205212. The cubic root of 8534806878 is about 2043.6094370273.

The spelling of 8534806878 in words is "eight billion, five hundred thirty-four million, eight hundred six thousand, eight hundred seventy-eight".