8013838557 has 16 divisors (see below), whose sum is σ = 11031939072. Its totient is φ = 5171201280.

The previous prime is 8013838537. The next prime is 8013838559. The reversal of 8013838557 is 7558383108.

It is a happy number.

It is not a de Polignac number, because 8013838557 - 2⁷ = 8013838429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013838559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240888 + ... + 272129.

It is an arithmetic number, because the mean of its divisors is an integer number (689496192).

Almost surely, 2^8013838557 is an apocalyptic number.

It is an amenable number.

8013838557 is a deficient number, since it is larger than the sum of its proper divisors (3018100515).

8013838557 is a wasteful number, since it uses less digits than its factorization.

8013838557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513188.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 8013838557 is about 89520.0455596399. The cubic root of 8013838557 is about 2001.1525487714.

The spelling of 8013838557 in words is "eight billion, thirteen million, eight hundred thirty-eight thousand, five hundred fifty-seven".