47817082121 has 8 divisors (see below), whose sum is σ = 48631181760. Its totient is φ = 47003103952.

The previous prime is 47817082091. The next prime is 47817082139. The reversal of 47817082121 is 12128071874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47817082121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47817082021) 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, 1150916 + ... + 1191738.

It is an arithmetic number, because the mean of its divisors is an integer number (6078897720).

Almost surely, 2^47817082121 is an apocalyptic number.

It is an amenable number.

47817082121 is a deficient number, since it is larger than the sum of its proper divisors (814099639).

47817082121 is a wasteful number, since it uses less digits than its factorization.

47817082121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60735.

The product of its (nonzero) digits is 50176, while the sum is 41.

The spelling of 47817082121 in words is "forty-seven billion, eight hundred seventeen million, eighty-two thousand, one hundred twenty-one".