8897794864 has 20 divisors (see below), whose sum is σ = 19702260304. Its totient is φ = 3813340608.

The previous prime is 8897794853. The next prime is 8897794889. The reversal of 8897794864 is 4684977988.

It is a super-3 number, since 3×8897794864³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8897794793 and 8897794802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39722187 + ... + 39722410.

Almost surely, 2^8897794864 is an apocalyptic number.

It is an amenable number.

8897794864 is an abundant number, since it is smaller than the sum of its proper divisors (10804465440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8897794864 is a wasteful number, since it uses less digits than its factorization.

8897794864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79444612 (or 79444606 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 70.

The square root of 8897794864 is about 94328.1233991221. The cubic root of 8897794864 is about 2072.1799297641.

The spelling of 8897794864 in words is "eight billion, eight hundred ninety-seven million, seven hundred ninety-four thousand, eight hundred sixty-four".