9711387042 has 16 divisors (see below), whose sum is σ = 22197456192. Its totient is φ = 2774682000.

The previous prime is 9711386999. The next prime is 9711387053. The reversal of 9711387042 is 2407831179.

It is a super-2 number, since 2×9711387042² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 231223501 = 9711387042 / (9 + 7 + 1 + 1 + 3 + 8 + 7 + 0 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 9711386985 and 9711387003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115611709 + ... + 115611792.

It is an arithmetic number, because the mean of its divisors is an integer number (1387341012).

Almost surely, 2^9711387042 is an apocalyptic number.

9711387042 is an abundant number, since it is smaller than the sum of its proper divisors (12486069150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9711387042 is a wasteful number, since it uses less digits than its factorization.

9711387042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231223513.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 9711387042 is about 98546.3700092500. The cubic root of 9711387042 is about 2133.5054389525.

The spelling of 9711387042 in words is "nine billion, seven hundred eleven million, three hundred eighty-seven thousand, forty-two".