8081655 has 8 divisors (see below), whose sum is σ = 12930672. Its totient is φ = 4310208.

The previous prime is 8081653. The next prime is 8081657. The reversal of 8081655 is 5561808.

It is an interprime number because it is at equal distance from previous prime (8081653) and next prime (8081657).

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

It is not a de Polignac number, because 8081655 - 2¹ = 8081653 is a prime.

8081655 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081653) 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, 269374 + ... + 269403.

It is an arithmetic number, because the mean of its divisors is an integer number (1616334).

Almost surely, 2^8081655 is an apocalyptic number.

8081655 is a deficient number, since it is larger than the sum of its proper divisors (4849017).

8081655 is a wasteful number, since it uses less digits than its factorization.

8081655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538785.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 8081655 is about 2842.8251792891. The cubic root of 8081655 is about 200.6781562548.

The spelling of 8081655 in words is "eight million, eighty-one thousand, six hundred fifty-five".