9077769221 has 4 divisors (see below), whose sum is σ = 9081580992. Its totient is φ = 9073957452.

The previous prime is 9077769199. The next prime is 9077769241. The reversal of 9077769221 is 1229677709.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9077769221 - 2¹⁸ = 9077507077 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 9077769221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9077769241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902311 + ... + 1907076.

It is an arithmetic number, because the mean of its divisors is an integer number (2270395248).

Almost surely, 2^9077769221 is an apocalyptic number.

It is an amenable number.

9077769221 is a deficient number, since it is larger than the sum of its proper divisors (3811771).

9077769221 is a wasteful number, since it uses less digits than its factorization.

9077769221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811770.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 9077769221 is about 95277.3279484684. The cubic root of 9077769221 is about 2086.0580000800.

The spelling of 9077769221 in words is "nine billion, seventy-seven million, seven hundred sixty-nine thousand, two hundred twenty-one".