9780565088 has 48 divisors (see below), whose sum is σ = 22543030944. Its totient is φ = 4089431040.

The previous prime is 9780565087. The next prime is 9780565099. The reversal of 9780565088 is 8805650879.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9780565087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523295 + ... + 541662.

It is an arithmetic number, because the mean of its divisors is an integer number (469646478).

Almost surely, 2^9780565088 is an apocalyptic number.

It is an amenable number.

9780565088 is an abundant number, since it is smaller than the sum of its proper divisors (12762465856).

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

9780565088 is a wasteful number, since it uses less digits than its factorization.

9780565088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065015 (or 1065007 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 56.

The square root of 9780565088 is about 98896.7395215838. The cubic root of 9780565088 is about 2138.5593914478.

The spelling of 9780565088 in words is "nine billion, seven hundred eighty million, five hundred sixty-five thousand, eighty-eight".