8077102221 has 8 divisors (see below), whose sum is σ = 10774480320. Its totient is φ = 5382229472.

The previous prime is 8077102207. The next prime is 8077102223. The reversal of 8077102221 is 1222017708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8077102221 - 2⁹ = 8077101709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077102223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618801 + ... + 631718.

It is an arithmetic number, because the mean of its divisors is an integer number (1346810040).

Almost surely, 2^8077102221 is an apocalyptic number.

It is an amenable number.

8077102221 is a deficient number, since it is larger than the sum of its proper divisors (2697378099).

8077102221 is a wasteful number, since it uses less digits than its factorization.

8077102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252675.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 8077102221 is about 89872.7000874014. The cubic root of 8077102221 is about 2006.4046533977.

Adding to 8077102221 its reverse (1222017708), we get a palindrome (9299119929).

The spelling of 8077102221 in words is "eight billion, seventy-seven million, one hundred two thousand, two hundred twenty-one".