8223539577 has 64 divisors (see below), whose sum is σ = 12689436672. Its totient is φ = 4727712000.

The previous prime is 8223539563. The next prime is 8223539633. The reversal of 8223539577 is 7759353228.

It is a happy number.

It is not a de Polignac number, because 8223539577 - 2⁷ = 8223539449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8223535577) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13867393 + ... + 13867985.

It is an arithmetic number, because the mean of its divisors is an integer number (198272448).

Almost surely, 2^8223539577 is an apocalyptic number.

It is an amenable number.

8223539577 is a deficient number, since it is larger than the sum of its proper divisors (4465897095).

8223539577 is a wasteful number, since it uses less digits than its factorization.

8223539577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 781 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 51.

The square root of 8223539577 is about 90683.7338060140. The cubic root of 8223539577 is about 2018.4574356167.

The spelling of 8223539577 in words is "eight billion, two hundred twenty-three million, five hundred thirty-nine thousand, five hundred seventy-seven".