8857722011 has 4 divisors (see below), whose sum is σ = 8858532312. Its totient is φ = 8856911712.

The previous prime is 8857722001. The next prime is 8857722053. The reversal of 8857722011 is 1102277588.

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 8857722011 - 2⁶ = 8857721947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8857722011.

It is not an unprimeable number, because it can be changed into a prime (8857722001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388526 + ... + 410691.

It is an arithmetic number, because the mean of its divisors is an integer number (2214633078).

Almost surely, 2^8857722011 is an apocalyptic number.

8857722011 is a deficient number, since it is larger than the sum of its proper divisors (810301).

8857722011 is a wasteful number, since it uses less digits than its factorization.

8857722011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810300.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 8857722011 is about 94115.4716877092. The cubic root of 8857722011 is about 2069.0644337327.

Adding to 8857722011 its reverse (1102277588), we get a palindrome (9959999599).

The spelling of 8857722011 in words is "eight billion, eight hundred fifty-seven million, seven hundred twenty-two thousand, eleven".