9747799142 has 16 divisors (see below), whose sum is σ = 15262450272. Its totient is φ = 4660455360.

The previous prime is 9747799097. The next prime is 9747799213. The reversal of 9747799142 is 2419977479.

It is a super-3 number, since 3×9747799142³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 113018 + ... + 179634.

It is an arithmetic number, because the mean of its divisors is an integer number (953903142).

Almost surely, 2^9747799142 is an apocalyptic number.

9747799142 is a deficient number, since it is larger than the sum of its proper divisors (5514651130).

9747799142 is a wasteful number, since it uses less digits than its factorization.

9747799142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69823.

The product of its digits is 8001504, while the sum is 59.

The square root of 9747799142 is about 98730.9431839887. The cubic root of 9747799142 is about 2136.1685849057.

The spelling of 9747799142 in words is "nine billion, seven hundred forty-seven million, seven hundred ninety-nine thousand, one hundred forty-two".