7158278084 has 24 divisors (see below), whose sum is σ = 12648977880. Its totient is φ = 3544321536.

The previous prime is 7158278053. The next prime is 7158278087. The reversal of 7158278084 is 4808728517.

It can be written as a sum of positive squares in 4 ways, for example, as 3470388100 + 3687889984 = 58910^2 + 60728^2 .

It is a super-2 number, since 2×7158278084² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7158278087) 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 in 7 ways as a sum of consecutive naturals, for example, 1059164 + ... + 1065900.

It is an arithmetic number, because the mean of its divisors is an integer number (527040745).

Almost surely, 2^7158278084 is an apocalyptic number.

It is an amenable number.

7158278084 is a deficient number, since it is larger than the sum of its proper divisors (5490699796).

7158278084 is a wasteful number, since it uses less digits than its factorization.

7158278084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287 (or 9285 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 50.

The square root of 7158278084 is about 84606.6078034098. The cubic root of 7158278084 is about 1927.2417204983.

The spelling of 7158278084 in words is "seven billion, one hundred fifty-eight million, two hundred seventy-eight thousand, eighty-four".