8239566798 has 12 divisors (see below), whose sum is σ = 17852394768. Its totient is φ = 2746522260.

The previous prime is 8239566793. The next prime is 8239566799. The reversal of 8239566798 is 8976659328.

It is a super-2 number, since 2×8239566798² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8239566793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228876838 + ... + 228876873.

It is an arithmetic number, because the mean of its divisors is an integer number (1487699564).

Almost surely, 2^8239566798 is an apocalyptic number.

8239566798 is an abundant number, since it is smaller than the sum of its proper divisors (9612827970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8239566798 is a wasteful number, since it uses less digits than its factorization.

8239566798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457753719 (or 457753716 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 8239566798 is about 90772.0595668072. The cubic root of 8239566798 is about 2019.7678717347.

The spelling of 8239566798 in words is "eight billion, two hundred thirty-nine million, five hundred sixty-six thousand, seven hundred ninety-eight".