8697436506 has 64 divisors (see below), whose sum is σ = 21238796160. Its totient is φ = 2616324480.

The previous prime is 8697436469. The next prime is 8697436511. The reversal of 8697436506 is 6056347968.

8697436506 is a `hidden beast` number, since 8 + 6 + 97 + 43 + 6 + 506 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27940 + ... + 134816.

It is an arithmetic number, because the mean of its divisors is an integer number (331856190).

Almost surely, 2^8697436506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8697436506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10619398080).

8697436506 is an abundant number, since it is smaller than the sum of its proper divisors (12541359654).

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

8697436506 is a wasteful number, since it uses less digits than its factorization.

8697436506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107036 (or 107030 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 8697436506 is about 93260.0477482185. The cubic root of 8697436506 is about 2056.5080900769.

The spelling of 8697436506 in words is "eight billion, six hundred ninety-seven million, four hundred thirty-six thousand, five hundred six".