8226857977 has 12 divisors (see below), whose sum is σ = 8922260160. Its totient is φ = 7582184688.

The previous prime is 8226857963. The next prime is 8226857983. The reversal of 8226857977 is 7797586228.

It is not a de Polignac number, because 8226857977 - 2¹¹ = 8226855929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8226857477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71724 + ... + 146962.

It is an arithmetic number, because the mean of its divisors is an integer number (743521680).

Almost surely, 2^8226857977 is an apocalyptic number.

It is an amenable number.

8226857977 is a deficient number, since it is larger than the sum of its proper divisors (695402183).

8226857977 is a wasteful number, since it uses less digits than its factorization.

8226857977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75912 (or 75899 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 61.

The square root of 8226857977 is about 90702.0285164560. The cubic root of 8226857977 is about 2018.7288981401.

The spelling of 8226857977 in words is "eight billion, two hundred twenty-six million, eight hundred fifty-seven thousand, nine hundred seventy-seven".