8447053427 has 16 divisors (see below), whose sum is σ = 8720638080. Its totient is φ = 8177645952.

The previous prime is 8447053411. The next prime is 8447053471. The reversal of 8447053427 is 7243507448.

It is a cyclic number.

It is not a de Polignac number, because 8447053427 - 2⁴ = 8447053411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8447053487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4368953 + ... + 4370885.

It is an arithmetic number, because the mean of its divisors is an integer number (545039880).

Almost surely, 2^8447053427 is an apocalyptic number.

8447053427 is a deficient number, since it is larger than the sum of its proper divisors (273584653).

8447053427 is a wasteful number, since it uses less digits than its factorization.

8447053427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 752640, while the sum is 44.

The square root of 8447053427 is about 91907.8529125776. The cubic root of 8447053427 is about 2036.5812779118.

The spelling of 8447053427 in words is "eight billion, four hundred forty-seven million, fifty-three thousand, four hundred twenty-seven".