9987347562 has 32 divisors (see below), whose sum is σ = 20831645184. Its totient is φ = 3188505600.

The previous prime is 9987347501. The next prime is 9987347567. The reversal of 9987347562 is 2657437899.

It is a super-2 number, since 2×9987347562² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9987347496 and 9987347505.

It is not an unprimeable number, because it can be changed into a prime (9987347567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258739 + ... + 294822.

It is an arithmetic number, because the mean of its divisors is an integer number (650988912).

Almost surely, 2^9987347562 is an apocalyptic number.

9987347562 is an abundant number, since it is smaller than the sum of its proper divisors (10844297622).

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

9987347562 is a wasteful number, since it uses less digits than its factorization.

9987347562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553694.

The product of its digits is 22861440, while the sum is 60.

The square root of 9987347562 is about 99936.7177868075. The cubic root of 9987347562 is about 2153.5256781721.

The spelling of 9987347562 in words is "nine billion, nine hundred eighty-seven million, three hundred forty-seven thousand, five hundred sixty-two".