7085718261 has 48 divisors (see below), whose sum is σ = 10965487104. Its totient is φ = 4398653952.

The previous prime is 7085718259. The next prime is 7085718281. The reversal of 7085718261 is 1628175807.

It is a happy number.

7085718261 is a `hidden beast` number, since 70 + 8 + 571 + 8 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 7085718261 - 2¹ = 7085718259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085718251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1914765 + ... + 1918461.

It is an arithmetic number, because the mean of its divisors is an integer number (228447648).

Almost surely, 2^7085718261 is an apocalyptic number.

It is an amenable number.

7085718261 is a deficient number, since it is larger than the sum of its proper divisors (3879768843).

7085718261 is a wasteful number, since it uses less digits than its factorization.

7085718261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 7085718261 is about 84176.7085422090. The cubic root of 7085718261 is about 1920.7077704749.

The spelling of 7085718261 in words is "seven billion, eighty-five million, seven hundred eighteen thousand, two hundred sixty-one".