8130976438 has 16 divisors (see below), whose sum is σ = 13257412560. Its totient is φ = 3717684576.

The previous prime is 8130976409. The next prime is 8130976481. The reversal of 8130976438 is 8346790318.

It is a happy number.

It is a super-2 number, since 2×8130976438² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8130976391 and 8130976400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458573 + ... + 1464136.

It is an arithmetic number, because the mean of its divisors is an integer number (828588285).

Almost surely, 2^8130976438 is an apocalyptic number.

8130976438 is a deficient number, since it is larger than the sum of its proper divisors (5126436122).

8130976438 is a wasteful number, since it uses less digits than its factorization.

8130976438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922831.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 8130976438 is about 90171.9271059458. The cubic root of 8130976438 is about 2010.8556737327.

The spelling of 8130976438 in words is "eight billion, one hundred thirty million, nine hundred seventy-six thousand, four hundred thirty-eight".