8857623430847 has 8 divisors (see below), whose sum is σ = 9007121816880. Its totient is φ = 8709365695680.

The previous prime is 8857623430801. The next prime is 8857623430933. The reversal of 8857623430847 is 7480343267588.

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 8857623430847 - 2³⁶ = 8788903954111 is a prime.

It is a super-2 number, since 2×8857623430847² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857623430247) 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, 310148318 + ... + 310176875.

It is an arithmetic number, because the mean of its divisors is an integer number (1125890227110).

Almost surely, 2^{8857623430847} is an apocalyptic number.

8857623430847 is a deficient number, since it is larger than the sum of its proper divisors (149498386033).

8857623430847 is a wasteful number, since it uses less digits than its factorization.

8857623430847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620325433.

The product of its (nonzero) digits is 216760320, while the sum is 65.

The spelling of 8857623430847 in words is "eight trillion, eight hundred fifty-seven billion, six hundred twenty-three million, four hundred thirty thousand, eight hundred forty-seven".