9772426745 has 8 divisors (see below), whose sum is σ = 11727491784. Its totient is φ = 7817554944.

The previous prime is 9772426739. The next prime is 9772426747. The reversal of 9772426745 is 5476242779.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2142578944 + 7629847801 = 46288^2 + 87349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9772426745 - 2⁶ = 9772426681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9772426747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110297 + ... + 178073.

It is an arithmetic number, because the mean of its divisors is an integer number (1465936473).

Almost surely, 2^9772426745 is an apocalyptic number.

It is an amenable number.

9772426745 is a deficient number, since it is larger than the sum of its proper divisors (1955065039).

9772426745 is a wasteful number, since it uses less digits than its factorization.

9772426745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96619.

The product of its digits is 5927040, while the sum is 53.

The square root of 9772426745 is about 98855.5852999718. The cubic root of 9772426745 is about 2137.9660665131.

The spelling of 9772426745 in words is "nine billion, seven hundred seventy-two million, four hundred twenty-six thousand, seven hundred forty-five".