8426868534 has 80 divisors (see below), whose sum is σ = 21595898016. Its totient is φ = 2405894400.

The previous prime is 8426868529. The next prime is 8426868551. The reversal of 8426868534 is 4358686248.

8426868534 is a `hidden beast` number, since 8 + 4 + 26 + 86 + 8 + 534 = 666.

It is a super-2 number, since 2×8426868534² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2698494 + ... + 2701614.

Almost surely, 2^8426868534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8426868534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10797949008).

8426868534 is an abundant number, since it is smaller than the sum of its proper divisors (13169029482).

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

8426868534 is a wasteful number, since it uses less digits than its factorization.

8426868534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523 (or 5514 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The square root of 8426868534 is about 91797.9767424097. The cubic root of 8426868534 is about 2034.9577941410.

The spelling of 8426868534 in words is "eight billion, four hundred twenty-six million, eight hundred sixty-eight thousand, five hundred thirty-four".