9929957471 has 8 divisors (see below), whose sum is σ = 11356344864. Its totient is φ = 8505525600.

The previous prime is 9929957467. The next prime is 9929957497. The reversal of 9929957471 is 1747599299.

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 9929957471 - 2² = 9929957467 is a prime.

It is a super-3 number, since 3×9929957471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9929957671) 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, 477980 + ... + 498321.

It is an arithmetic number, because the mean of its divisors is an integer number (1419543108).

Almost surely, 2^9929957471 is an apocalyptic number.

9929957471 is a deficient number, since it is larger than the sum of its proper divisors (1426387393).

9929957471 is a wasteful number, since it uses less digits than its factorization.

9929957471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977761.

The product of its digits is 12859560, while the sum is 62.

The square root of 9929957471 is about 99649.1719534086. The cubic root of 9929957471 is about 2149.3928316863.

The spelling of 9929957471 in words is "nine billion, nine hundred twenty-nine million, nine hundred fifty-seven thousand, four hundred seventy-one".