8847942457 has 8 divisors (see below), whose sum is σ = 9077044032. Its totient is φ = 8621552400.

The previous prime is 8847942449. The next prime is 8847942487. The reversal of 8847942457 is 7542497488.

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 8847942457 - 2³ = 8847942449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8847942487) 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, 671269 + ... + 684322.

It is an arithmetic number, because the mean of its divisors is an integer number (1134630504).

Almost surely, 2^8847942457 is an apocalyptic number.

It is an amenable number.

8847942457 is a deficient number, since it is larger than the sum of its proper divisors (229101575).

8847942457 is a wasteful number, since it uses less digits than its factorization.

8847942457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355759.

The product of its digits is 18063360, while the sum is 58.

The square root of 8847942457 is about 94063.5022577833. The cubic root of 8847942457 is about 2068.3026886441.

The spelling of 8847942457 in words is "eight billion, eight hundred forty-seven million, nine hundred forty-two thousand, four hundred fifty-seven".