8125668084 has 24 divisors (see below), whose sum is σ = 18961965568. Its totient is φ = 2708259840.

The previous prime is 8125668077. The next prime is 8125668119. The reversal of 8125668084 is 4808665218.

It is a happy number.

It is a super-2 number, since 2×8125668084² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96564 + ... + 159924.

Almost surely, 2^8125668084 is an apocalyptic number.

It is an amenable number.

8125668084 is an abundant number, since it is smaller than the sum of its proper divisors (10836297484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8125668084 is a wasteful number, since it uses less digits than its factorization.

8125668084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74055 (or 74053 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 8125668084 is about 90142.4876736825. The cubic root of 8125668084 is about 2010.4179789648.

The spelling of 8125668084 in words is "eight billion, one hundred twenty-five million, six hundred sixty-eight thousand, eighty-four".