8897628897 has 32 divisors (see below), whose sum is σ = 13675520000. Its totient is φ = 5711452560.

The previous prime is 8897628893. The next prime is 8897628911. The reversal of 8897628897 is 7988267988.

It is a happy number.

It is not a de Polignac number, because 8897628897 - 2² = 8897628893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8897628893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139854 + ... + 193272.

It is an arithmetic number, because the mean of its divisors is an integer number (427360000).

Almost surely, 2^8897628897 is an apocalyptic number.

It is an amenable number.

8897628897 is a deficient number, since it is larger than the sum of its proper divisors (4777891103).

8897628897 is a wasteful number, since it uses less digits than its factorization.

8897628897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53658 (or 53652 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 72.

The square root of 8897628897 is about 94327.2436626874. The cubic root of 8897628897 is about 2072.1670458369.

The spelling of 8897628897 in words is "eight billion, eight hundred ninety-seven million, six hundred twenty-eight thousand, eight hundred ninety-seven".