7129307086 has 32 divisors (see below), whose sum is σ = 11832156000. Its totient is φ = 3194695680.

The previous prime is 7129307071. The next prime is 7129307113. The reversal of 7129307086 is 6807039217.

It is a happy number.

It is a super-2 number, since 2×7129307086² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678126 + ... + 688558.

It is an arithmetic number, because the mean of its divisors is an integer number (369754875).

Almost surely, 2^7129307086 is an apocalyptic number.

7129307086 is a deficient number, since it is larger than the sum of its proper divisors (4702848914).

7129307086 is a wasteful number, since it uses less digits than its factorization.

7129307086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 7129307086 is about 84435.2242017512. The cubic root of 7129307086 is about 1924.6382261394.

The spelling of 7129307086 in words is "seven billion, one hundred twenty-nine million, three hundred seven thousand, eighty-six".