8851812971 has 4 divisors (see below), whose sum is σ = 8853207000. Its totient is φ = 8850418944.

The previous prime is 8851812887. The next prime is 8851812979. The reversal of 8851812971 is 1792181588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8851812971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8851812979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687446 + ... + 700203.

It is an arithmetic number, because the mean of its divisors is an integer number (2213301750).

Almost surely, 2^8851812971 is an apocalyptic number.

8851812971 is a deficient number, since it is larger than the sum of its proper divisors (1394029).

8851812971 is a wasteful number, since it uses less digits than its factorization.

8851812971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394028.

The product of its digits is 322560, while the sum is 50.

The square root of 8851812971 is about 94084.0739498455. The cubic root of 8851812971 is about 2068.6042362457.

The spelling of 8851812971 in words is "eight billion, eight hundred fifty-one million, eight hundred twelve thousand, nine hundred seventy-one".