9520666715 has 12 divisors (see below), whose sum is σ = 13057706064. Its totient is φ = 6528061344.

The previous prime is 9520666627. The next prime is 9520666741. The reversal of 9520666715 is 5176660259.

It is a happy number.

It is not a de Polignac number, because 9520666715 - 2¹⁴ = 9520650331 is a prime.

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 9520666715.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569009 + ... + 585501.

It is an arithmetic number, because the mean of its divisors is an integer number (1088142172).

Almost surely, 2^9520666715 is an apocalyptic number.

9520666715 is a deficient number, since it is larger than the sum of its proper divisors (3537039349).

9520666715 is an frugal number, since it uses more digits than its factorization.

9520666715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32998 (or 16505 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 9520666715 is about 97573.9038626620. The cubic root of 9520666715 is about 2119.4464790672.

The spelling of 9520666715 in words is "nine billion, five hundred twenty million, six hundred sixty-six thousand, seven hundred fifteen".