8427097071 has 12 divisors (see below), whose sum is σ = 12565134400. Its totient is φ = 5436836640.

The previous prime is 8427097069. The next prime is 8427097087. The reversal of 8427097071 is 1707907248.

It is a happy number.

It is not a de Polignac number, because 8427097071 - 2¹ = 8427097069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427097051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15102046 + ... + 15102603.

Almost surely, 2^8427097071 is an apocalyptic number.

8427097071 is a deficient number, since it is larger than the sum of its proper divisors (4138037329).

8427097071 is a wasteful number, since it uses less digits than its factorization.

8427097071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30204686 (or 30204683 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 8427097071 is about 91799.2215163070. The cubic root of 8427097071 is about 2034.9761900194.

The spelling of 8427097071 in words is "eight billion, four hundred twenty-seven million, ninety-seven thousand, seventy-one".