8247243798 has 32 divisors (see below), whose sum is σ = 18627661920. Its totient is φ = 2704013280.

The previous prime is 8247243761. The next prime is 8247243803. The reversal of 8247243798 is 8973427428.

It is a happy number.

8247243798 is a `hidden beast` number, since 8 + 247 + 24 + 379 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248565 + ... + 1255152.

It is an arithmetic number, because the mean of its divisors is an integer number (582114435).

Almost surely, 2^8247243798 is an apocalyptic number.

8247243798 is an abundant number, since it is smaller than the sum of its proper divisors (10380418122).

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

8247243798 is a wasteful number, since it uses less digits than its factorization.

8247243798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503789 (or 2503783 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 8247243798 is about 90814.3369628386. The cubic root of 8247243798 is about 2020.3949655746.

The spelling of 8247243798 in words is "eight billion, two hundred forty-seven million, two hundred forty-three thousand, seven hundred ninety-eight".