8078021676 has 24 divisors (see below), whose sum is σ = 20943019440. Its totient is φ = 2692673856.

The previous prime is 8078021671. The next prime is 8078021701. The reversal of 8078021676 is 6761208708.

It is not an unprimeable number, because it can be changed into a prime (8078021671) 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, 37398141 + ... + 37398356.

It is an arithmetic number, because the mean of its divisors is an integer number (872625810).

Almost surely, 2^8078021676 is an apocalyptic number.

It is an amenable number.

8078021676 is an abundant number, since it is smaller than the sum of its proper divisors (12864997764).

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

8078021676 is a wasteful number, since it uses less digits than its factorization.

8078021676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74796510 (or 74796502 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8078021676 is about 89877.8152604968. The cubic root of 8078021676 is about 2006.4807833737.

The spelling of 8078021676 in words is "eight billion, seventy-eight million, twenty-one thousand, six hundred seventy-six".