8117441538 has 16 divisors (see below), whose sum is σ = 16251614496. Its totient is φ = 2703025280.

The previous prime is 8117441489. The next prime is 8117441561. The reversal of 8117441538 is 8351447118.

It is a self number, because there is not a number n which added to its sum of digits gives 8117441538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690831 + ... + 702482.

It is an arithmetic number, because the mean of its divisors is an integer number (1015725906).

Almost surely, 2^8117441538 is an apocalyptic number.

8117441538 is an abundant number, since it is smaller than the sum of its proper divisors (8134172958).

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

8117441538 is a wasteful number, since it uses less digits than its factorization.

8117441538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394289.

The product of its digits is 107520, while the sum is 42.

The square root of 8117441538 is about 90096.8453276806. The cubic root of 8117441538 is about 2009.7392909551.

The spelling of 8117441538 in words is "eight billion, one hundred seventeen million, four hundred forty-one thousand, five hundred thirty-eight".