9971614811 has 8 divisors (see below), whose sum is σ = 10242580800. Its totient is φ = 9700725888.

The previous prime is 9971614781. The next prime is 9971614819. The reversal of 9971614811 is 1184161799.

It is a happy number.

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 9971614811 - 2⁶ = 9971614747 is a prime.

It is a pancake number, because a pancake can be divided into 9971614811 parts by 141220 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9971614819) 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, 325715 + ... + 355011.

It is an arithmetic number, because the mean of its divisors is an integer number (1280322600).

Almost surely, 2^9971614811 is an apocalyptic number.

9971614811 is a deficient number, since it is larger than the sum of its proper divisors (270965989).

9971614811 is a wasteful number, since it uses less digits than its factorization.

9971614811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38533.

The product of its digits is 108864, while the sum is 47.

The square root of 9971614811 is about 99857.9731969361. The cubic root of 9971614811 is about 2152.3942903792.

The spelling of 9971614811 in words is "nine billion, nine hundred seventy-one million, six hundred fourteen thousand, eight hundred eleven".