8515934834 has 16 divisors (see below), whose sum is σ = 13941745920. Its totient is φ = 3869051760.

The previous prime is 8515934827. The next prime is 8515934839. The reversal of 8515934834 is 4384395158.

It is a happy number.

It is a super-2 number, since 2×8515934834² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8515934839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43169 + ... + 137460.

It is an arithmetic number, because the mean of its divisors is an integer number (871359120).

Almost surely, 2^8515934834 is an apocalyptic number.

8515934834 is a deficient number, since it is larger than the sum of its proper divisors (5425811086).

8515934834 is a wasteful number, since it uses less digits than its factorization.

8515934834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182785.

The product of its digits is 2073600, while the sum is 50.

The square root of 8515934834 is about 92281.8228796983. The cubic root of 8515934834 is about 2042.1020587089.

It can be divided in two parts, 8515 and 934834, that added together give a palindrome (943349).

The spelling of 8515934834 in words is "eight billion, five hundred fifteen million, nine hundred thirty-four thousand, eight hundred thirty-four".