9750772516 has 27 divisors (see below), whose sum is σ = 17275521459. Its totient is φ = 4815644928.

The previous prime is 9750772511. The next prime is 9750772589. The reversal of 9750772516 is 6152770579.

It is a happy number.

The square root of 9750772516 is 98746.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 783440100 + 8967332416 = 27990^2 + 94696^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9750772516.

It is not an unprimeable number, because it can be changed into a prime (9750772511) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19156470 + ... + 19156978.

Almost surely, 2^9750772516 is an apocalyptic number.

9750772516 is the 98746-th square number.

It is an amenable number.

9750772516 is a deficient number, since it is larger than the sum of its proper divisors (7524748943).

9750772516 is an frugal number, since it uses more digits than its factorization.

9750772516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 49.

The cubic root of 9750772516 is about 2136.3857615331.

Multiplying 9750772516 by its sum of digits (49), we get a square (477787853284 = 691222²).

The spelling of 9750772516 in words is "nine billion, seven hundred fifty million, seven hundred seventy-two thousand, five hundred sixteen".