9009172982 has 8 divisors (see below), whose sum is σ = 13527679752. Its totient is φ = 4499946400.

The previous prime is 9009172969. The next prime is 9009173039. The reversal of 9009172982 is 2892719009.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317619 + ... + 2321502.

It is an arithmetic number, because the mean of its divisors is an integer number (1690959969).

Almost surely, 2^9009172982 is an apocalyptic number.

9009172982 is a deficient number, since it is larger than the sum of its proper divisors (4518506770).

9009172982 is a wasteful number, since it uses less digits than its factorization.

9009172982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640094.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 9009172982 is about 94916.6633526485. The cubic root of 9009172982 is about 2080.7902709297.

The spelling of 9009172982 in words is "nine billion, nine million, one hundred seventy-two thousand, nine hundred eighty-two".