9870880789 has 16 divisors (see below), whose sum is σ = 12318727680. Its totient is φ = 7683986160.

The previous prime is 9870880787. The next prime is 9870880801.

9870880789 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9870880789 - 2¹ = 9870880787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9870880789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9870880783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15562 + ... + 141364.

It is an arithmetic number, because the mean of its divisors is an integer number (769920480).

Almost surely, 2^9870880789 is an apocalyptic number.

It is an amenable number.

9870880789 is a deficient number, since it is larger than the sum of its proper divisors (2447846891).

9870880789 is a wasteful number, since it uses less digits than its factorization.

9870880789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126840.

The product of its (nonzero) digits is 16257024, while the sum is 64.

The square root of 9870880789 is about 99352.3064100678. The cubic root of 9870880789 is about 2145.1218618631.

The spelling of 9870880789 in words is "nine billion, eight hundred seventy million, eight hundred eighty thousand, seven hundred eighty-nine".