8044647398 has 16 divisors (see below), whose sum is σ = 12177104544. Its totient is φ = 3985719360.

The previous prime is 8044647397. The next prime is 8044647407. The reversal of 8044647398 is 8937464408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8044647397) 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, 126263 + ... + 178973.

It is an arithmetic number, because the mean of its divisors is an integer number (761069034).

Almost surely, 2^8044647398 is an apocalyptic number.

8044647398 is a deficient number, since it is larger than the sum of its proper divisors (4132457146).

8044647398 is a wasteful number, since it uses less digits than its factorization.

8044647398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53407.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 8044647398 is about 89691.9583797790. The cubic root of 8044647398 is about 2003.7137163871.

The spelling of 8044647398 in words is "eight billion, forty-four million, six hundred forty-seven thousand, three hundred ninety-eight".