7081798772 has 6 divisors (see below), whose sum is σ = 12393147858. Its totient is φ = 3540899384.

The previous prime is 7081798771. The next prime is 7081798777. The reversal of 7081798772 is 2778971807.

It can be written as a sum of positive squares in only one way, i.e., 6942888976 + 138909796 = 83324^2 + 11786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081798771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885224843 + ... + 885224850.

It is an arithmetic number, because the mean of its divisors is an integer number (2065524643).

Almost surely, 2^7081798772 is an apocalyptic number.

It is an amenable number.

7081798772 is a deficient number, since it is larger than the sum of its proper divisors (5311349086).

7081798772 is a wasteful number, since it uses less digits than its factorization.

7081798772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770449697 (or 1770449695 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 56.

The square root of 7081798772 is about 84153.4240063944. The cubic root of 7081798772 is about 1920.3535564908.

The spelling of 7081798772 in words is "seven billion, eighty-one million, seven hundred ninety-eight thousand, seven hundred seventy-two".