9878541264 has 60 divisors (see below), whose sum is σ = 28035607392. Its totient is φ = 3246465600.

The previous prime is 9878541229. The next prime is 9878541269. The reversal of 9878541264 is 4621458789.

It is a happy number.

9878541264 is a `hidden beast` number, since 9 + 8 + 78 + 541 + 26 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9878541264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878541269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472882 + ... + 493329.

Almost surely, 2^9878541264 is an apocalyptic number.

It is an amenable number.

9878541264 is an abundant number, since it is smaller than the sum of its proper divisors (18157066128).

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

9878541264 is a wasteful number, since it uses less digits than its factorization.

9878541264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966296 (or 966287 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 9878541264 is about 99390.8510075248. The cubic root of 9878541264 is about 2145.6766385383.

The spelling of 9878541264 in words is "nine billion, eight hundred seventy-eight million, five hundred forty-one thousand, two hundred sixty-four".