7086426881 has 4 divisors (see below), whose sum is σ = 7111645764. Its totient is φ = 7061208000.

The previous prime is 7086426869. The next prime is 7086426911. The reversal of 7086426881 is 1886246807.

7086426881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1886246807 = 599 ⋅3148993.

It can be written as a sum of positive squares in 2 ways, for example, as 2484025600 + 4602401281 = 49840^2 + 67841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7086426881 is a prime.

It is a super-2 number, since 2×7086426881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7086426481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12609020 + ... + 12609581.

It is an arithmetic number, because the mean of its divisors is an integer number (1777911441).

Almost surely, 2^7086426881 is an apocalyptic number.

It is an amenable number.

7086426881 is a deficient number, since it is larger than the sum of its proper divisors (25218883).

7086426881 is a wasteful number, since it uses less digits than its factorization.

7086426881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25218882.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 7086426881 is about 84180.9175585536. The cubic root of 7086426881 is about 1920.7717962858.

The spelling of 7086426881 in words is "seven billion, eighty-six million, four hundred twenty-six thousand, eight hundred eighty-one".