8137554085 has 8 divisors (see below), whose sum is σ = 9836343576. Its totient is φ = 6462524160.

The previous prime is 8137554059. The next prime is 8137554097. The reversal of 8137554085 is 5804557318.

It can be written as a sum of positive squares in 4 ways, for example, as 2872745604 + 5264808481 = 53598^2 + 72559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8137554085 - 2⁹ = 8137553573 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5939136 + ... + 5940505.

It is an arithmetic number, because the mean of its divisors is an integer number (1229542947).

Almost surely, 2^8137554085 is an apocalyptic number.

It is an amenable number.

8137554085 is a deficient number, since it is larger than the sum of its proper divisors (1698789491).

8137554085 is a wasteful number, since it uses less digits than its factorization.

8137554085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879783.

The product of its (nonzero) digits is 672000, while the sum is 46.

The square root of 8137554085 is about 90208.3925419359. The cubic root of 8137554085 is about 2011.3977625320.

It can be divided in two parts, 81375 and 54085, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 8137554085 in words is "eight billion, one hundred thirty-seven million, five hundred fifty-four thousand, eighty-five".