9097999971 has 8 divisors (see below), whose sum is σ = 12131504400. Its totient is φ = 6064914432.

The previous prime is 9097999961. The next prime is 9097999993. The reversal of 9097999971 is 1799997909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9097999971 - 2³³ = 508065379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9097999896 and 9097999905.

It is not an unprimeable number, because it can be changed into a prime (9097999921) 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, 49950 + ... + 143843.

It is an arithmetic number, because the mean of its divisors is an integer number (1516438050).

Almost surely, 2^9097999971 is an apocalyptic number.

9097999971 is a deficient number, since it is larger than the sum of its proper divisors (3033504429).

9097999971 is a wasteful number, since it uses less digits than its factorization.

9097999971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209445.

The product of its (nonzero) digits is 26040609, while the sum is 69.

The square root of 9097999971 is about 95383.4365652654. The cubic root of 9097999971 is about 2087.6065158265.

The spelling of 9097999971 in words is "nine billion, ninety-seven million, nine hundred ninety-nine thousand, nine hundred seventy-one".