8126478031 has 8 divisors (see below), whose sum is σ = 9288051840. Its totient is φ = 6965066328.

The previous prime is 8126477993. The next prime is 8126478037. The reversal of 8126478031 is 1308746218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8126478031 - 2⁷ = 8126477903 is a prime.

It is a super-2 number, since 2×8126478031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8126478037) 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, 98880 + ... + 161338.

It is an arithmetic number, because the mean of its divisors is an integer number (1161006480).

Almost surely, 2^8126478031 is an apocalyptic number.

8126478031 is a deficient number, since it is larger than the sum of its proper divisors (1161573809).

8126478031 is a wasteful number, since it uses less digits than its factorization.

8126478031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81053.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 8126478031 is about 90146.9801546341. The cubic root of 8126478031 is about 2010.4847746176.

The spelling of 8126478031 in words is "eight billion, one hundred twenty-six million, four hundred seventy-eight thousand, thirty-one".