9772842652 has 24 divisors (see below), whose sum is σ = 17240454000. Its totient is φ = 4847087616.

The previous prime is 9772842647. The next prime is 9772842749. The reversal of 9772842652 is 2562482779.

It is a self number, because there is not a number n which added to its sum of digits gives 9772842652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447663 + ... + 468985.

It is an arithmetic number, because the mean of its divisors is an integer number (718352250).

Almost surely, 2^9772842652 is an apocalyptic number.

It is an amenable number.

9772842652 is a deficient number, since it is larger than the sum of its proper divisors (7467611348).

9772842652 is a wasteful number, since it uses less digits than its factorization.

9772842652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22245 (or 22243 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 9772842652 is about 98857.6888866010. The cubic root of 9772842652 is about 2137.9963961491.

The spelling of 9772842652 in words is "nine billion, seven hundred seventy-two million, eight hundred forty-two thousand, six hundred fifty-two".