8399019744 has 72 divisors (see below), whose sum is σ = 24016821192. Its totient is φ = 2784188160.

The previous prime is 8399019703. The next prime is 8399019773. The reversal of 8399019744 is 4479109938.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28434 + ... + 132689.

It is an arithmetic number, because the mean of its divisors is an integer number (333566961).

Almost surely, 2^8399019744 is an apocalyptic number.

It is an amenable number.

8399019744 is an abundant number, since it is smaller than the sum of its proper divisors (15617801448).

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

8399019744 is a wasteful number, since it uses less digits than its factorization.

8399019744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161320 (or 161309 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 8399019744 is about 91646.1660081861. The cubic root of 8399019744 is about 2032.7136368530.

The spelling of 8399019744 in words is "eight billion, three hundred ninety-nine million, nineteen thousand, seven hundred forty-four".