8768856491 has 4 divisors (see below), whose sum is σ = 8892361584. Its totient is φ = 8645351400.

The previous prime is 8768856463. The next prime is 8768856517. The reversal of 8768856491 is 1946588678.

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

It is a cyclic number.

It is not a de Polignac number, because 8768856491 - 2¹⁰ = 8768855467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8768856451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61752440 + ... + 61752581.

It is an arithmetic number, because the mean of its divisors is an integer number (2223090396).

Almost surely, 2^8768856491 is an apocalyptic number.

8768856491 is a deficient number, since it is larger than the sum of its proper divisors (123505093).

8768856491 is a wasteful number, since it uses less digits than its factorization.

8768856491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123505092.

The product of its digits is 23224320, while the sum is 62.

The square root of 8768856491 is about 93642.1726093537. The cubic root of 8768856491 is about 2062.1218350732.

The spelling of 8768856491 in words is "eight billion, seven hundred sixty-eight million, eight hundred fifty-six thousand, four hundred ninety-one".