9807776364 has 48 divisors (see below), whose sum is σ = 24102512000. Its totient is φ = 3095490816.

The previous prime is 9807776351. The next prime is 9807776393. The reversal of 9807776364 is 4636777089.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442212 + ... + 463860.

Almost surely, 2^9807776364 is an apocalyptic number.

It is an amenable number.

9807776364 is an abundant number, since it is smaller than the sum of its proper divisors (14294735636).

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

9807776364 is a wasteful number, since it uses less digits than its factorization.

9807776364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23662 (or 23660 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 57.

The square root of 9807776364 is about 99034.2181470627. The cubic root of 9807776364 is about 2140.5408395161.

The spelling of 9807776364 in words is "nine billion, eight hundred seven million, seven hundred seventy-six thousand, three hundred sixty-four".