9766860055 has 4 divisors (see below), whose sum is σ = 11720232072. Its totient is φ = 7813488040.

The previous prime is 9766860049. The next prime is 9766860097. The reversal of 9766860055 is 5500686679.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9766860055 - 2⁵ = 9766860023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9766859984 and 9766860011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976686001 + ... + 976686010.

It is an arithmetic number, because the mean of its divisors is an integer number (2930058018).

Almost surely, 2^9766860055 is an apocalyptic number.

9766860055 is a deficient number, since it is larger than the sum of its proper divisors (1953372017).

9766860055 is a wasteful number, since it uses less digits than its factorization.

9766860055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953372016.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 9766860055 is about 98827.4256216360. The cubic root of 9766860055 is about 2137.5600378928.

The spelling of 9766860055 in words is "nine billion, seven hundred sixty-six million, eight hundred sixty thousand, fifty-five".