8028147897 has 160 divisors (see below), whose sum is σ = 15460896000. Its totient is φ = 4115059200.

The previous prime is 8028147893. The next prime is 8028147899. The reversal of 8028147897 is 7987418208.

It is a happy number.

8028147897 is a `hidden beast` number, since 8 + 0 + 2 + 81 + 478 + 97 = 666.

It is not a de Polignac number, because 8028147897 - 2² = 8028147893 is a prime.

It is a super-2 number, since 2×8028147897² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8028147893) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 33311697 + ... + 33311937.

It is an arithmetic number, because the mean of its divisors is an integer number (96630600).

Almost surely, 2^8028147897 is an apocalyptic number.

It is an amenable number.

8028147897 is a deficient number, since it is larger than the sum of its proper divisors (7432748103).

8028147897 is a wasteful number, since it uses less digits than its factorization.

8028147897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The square root of 8028147897 is about 89599.9324609120. The cubic root of 8028147897 is about 2002.3429123924.

The spelling of 8028147897 in words is "eight billion, twenty-eight million, one hundred forty-seven thousand, eight hundred ninety-seven".