9743728771 has 16 divisors (see below), whose sum is σ = 11213846784. Its totient is φ = 8293358304.

The previous prime is 9743728769. The next prime is 9743728783. The reversal of 9743728771 is 1778273479.

It is not a de Polignac number, because 9743728771 - 2¹ = 9743728769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9743728171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572040 + ... + 588826.

It is an arithmetic number, because the mean of its divisors is an integer number (700865424).

Almost surely, 2^9743728771 is an apocalyptic number.

9743728771 is a deficient number, since it is larger than the sum of its proper divisors (1470118013).

9743728771 is a wasteful number, since it uses less digits than its factorization.

9743728771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17370.

The product of its digits is 4148928, while the sum is 55.

The square root of 9743728771 is about 98710.3275802487. The cubic root of 9743728771 is about 2135.8712114828.

The spelling of 9743728771 in words is "nine billion, seven hundred forty-three million, seven hundred twenty-eight thousand, seven hundred seventy-one".