8070621318 has 24 divisors (see below), whose sum is σ = 17488033056. Its totient is φ = 2689947600.

The previous prime is 8070621311. The next prime is 8070621319. The reversal of 8070621318 is 8131260708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070621311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297148 + ... + 323168.

It is an arithmetic number, because the mean of its divisors is an integer number (728668044).

Almost surely, 2^8070621318 is an apocalyptic number.

8070621318 is an abundant number, since it is smaller than the sum of its proper divisors (9417411738).

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

8070621318 is a wasteful number, since it uses less digits than its factorization.

8070621318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43260 (or 43257 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8070621318 is about 89836.6368359813. The cubic root of 8070621318 is about 2005.8678770062.

The spelling of 8070621318 in words is "eight billion, seventy million, six hundred twenty-one thousand, three hundred eighteen".