7081606771 has 8 divisors (see below), whose sum is σ = 7125995520. Its totient is φ = 7037272008.

The previous prime is 7081606757. The next prime is 7081606841. The reversal of 7081606771 is 1776061807.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7081606771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7081606171) 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, 267870 + ... + 293116.

It is an arithmetic number, because the mean of its divisors is an integer number (890749440).

Almost surely, 2^7081606771 is an apocalyptic number.

7081606771 is a deficient number, since it is larger than the sum of its proper divisors (44388749).

7081606771 is a wasteful number, since it uses less digits than its factorization.

7081606771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26993.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 7081606771 is about 84152.2832191736. The cubic root of 7081606771 is about 1920.3362015246.

The spelling of 7081606771 in words is "seven billion, eighty-one million, six hundred six thousand, seven hundred seventy-one".